Malicious PDF — malware analysis report

Heuristics 9

• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
  PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Cracked-software lure uses download-gateway redirectors high PDF_CRACKED_SOFTWARE_REDIRECTOR_LINK_FARM
  PDF contains multiple cracked-software/keygen/serial-key lure links together with long encoded download-gateway URLs or known crack-download redirector hosts. This is stronger than generic piracy vocabulary: the document is an SEO lure that funnels users through redirect/download infrastructure commonly used for adware, unwanted software, or droppers.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
  PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://evacdir.com/ZG93bmxvYWR8T28xZUdwNGZId3hOalUwTnpnd09EYzVmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ/behcet.QWRmZW5kZXIgQ3JhY2sQWR?dermabrasion=emigrate&dismounting=each&jing=&niaaa= PDF link annotation

  • https://social.arpaclick.com/upload/files/2022/06/HkkXetp2boE6lEqzlr5v_10_773f2b9015e9b6fd8be55294feefe6ec_file.pdfIn PDF document text
  • https://kaalama.org/upload/files/2022/06/L4TmVfMpTlYHHYAepqaL_10_c77d06bfc20d58114f7d392c95f0c1d2_file.pdfIn PDF document text
  • https://www.afaceripromo.ro/wavesznoisebundlevstfreedownload/In PDF document text
  • https://pascanastudio.com/office-tab-enterprise-15-1-0-149-pre-activated-free-download/In PDF document text
  • https://heronetworktv.com/wp-content/uploads/2022/06/lastern.pdfIn PDF document text
  • https://owned.black/wp-content/uploads/2022/06/Artcut2009graphicdiscimage.pdfIn PDF document text
  • https://fermencol.ru/wp-content/uploads/2022/06/fitzvan.pdfIn PDF document text
  • https://sehatmudaalami65.com/wp-content/uploads/2022/06/jamglad.pdfIn PDF document text
  • http://torbayexperts.com/wp-content/uploads/2022/06/Adobe_Dreamweaver_Cs6_Amtlib_Dll_Crack.pdfIn PDF document text
  • http://estatesdevelopers.com/wp-content/uploads/2022/06/Photocopier_Expert_V7_Crack_HOT.pdfIn PDF document text
  • https://spacefather.com/andfriends/upload/files/2022/06/rbwVDiqpsFvCqEF95ESn_10_c77d06bfc20d58114f7d392c95f0c1d2_file.pdfIn PDF document text
  • http://www.diarioelsoldecusco.com/advert/spellbinder-full-tv-series/In PDF document text
  • https://enigmatic-lowlands-13870.herokuapp.com/Autodesk_2013_Keygen_Xforce_Password.pdfIn PDF document text
  • https://simbol.id/wp-content/uploads/2022/06/Rise_of_Nations_Gold_Edition_Portablerarrar.pdfIn PDF document text
  • https://www.probnation.com/upload/files/2022/06/MnwcNRjHHJujwl3rPHgj_10_c77d06bfc20d58114f7d392c95f0c1d2_file.pdfIn PDF document text
  • https://stop5g.cz/wp-content/uploads/2022/06/Mlb_2k12_Rlddll_Extra_Quality.pdfIn PDF document text
  • https://alafdaljo.com/wp-content/uploads/2022/06/Last_Shelter_Survival_Farm_Bot_300_Farms_Link_In_Description.pdfIn PDF document text
  • https://facenock.com/upload/files/2022/06/14k1UOIlW5jc3JI93Os2_10_c77d06bfc20d58114f7d392c95f0c1d2_file.pdfIn PDF document text
  • http://lasnida.com/wp-content/uploads/2022/06/Gtasanandreasvipmodv3freedownloadfullversion.pdfIn PDF document text
  • https://www.vsv7.com/upload/files/2022/06/vBrENAxIDgCZmFecWGtM_10_01c1440c2a4adcb1d2dd749cb4ec1406_file.pdfIn PDF document text
  • https://spacefather.com/andfriends/upload/files/2022/06/rbwVDiqpsFvCqEF95ESn_10_c77d06bfc20d58114f7d392c95f0c1d2In PDF document text
  • https://www.probnation.com/upload/files/2022/06/MnwcNRjHHJujwl3rPHgj_10_c77d06bfc20d58114f7d392c95f0c1d2_file.pIn PDF document text
  • http://evacdir.com/zg93bmxvywr8t28xzudwngzid3hoaluwtnpnd09eyzvmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq/behcet.qwrmzw5kzxigq3jhy2sqwr?dermabrasion=emigrate&dismounting=each&jing=&niaaa=In PDF document text
  • http://estatesdevelopers.com/wp-content/uploads/2022/06/photocopier_expert_v7_crack_hot.pdfIn PDF document text
  • http://www.tcpdf.orgIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://www.aiim.org/pdfa/ns/extension/In PDF document text
  • http://www.aiim.org/pdfa/ns/schema#In PDF document text
  • http://www.aiim.org/pdfa/ns/property#In PDF document text
  • http://www.aiim.org/pdfa/ns/id/In PDF document text

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