Malicious PDF — malware analysis report

Static analysis result for SHA-256 6980ce86f14a29e1…

MALICIOUS

PDF

77.0 KB Created: 2021-03-30 01:32:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: f400b47205c58af50a0cdbe232da76c1 SHA-1: 215652bc7abaaa44d307be024030abbdc6c88d49 SHA-256: 6980ce86f14a29e10bcd2d2940ddd318de42548222dc7029b323798f42a70579
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple embedded URLs, with one specifically linking to a known malicious redirector associated with a 'swann camera system customer service' lure. The document body, though heavily obfuscated, contains fragments suggesting a customer service context and urgency. The presence of numerous disposable domain links further supports a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 7

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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 https://dafemum.ru/strik?utm_term=swann+camera+system+customer+service In PDF document text
    • http://feelslike35.com/76476884020tgb02.pdfIn PDF document text
    • https://xonelaxag.weebly.com/uploads/1/3/4/7/134705152/mulovi_jozanitukijiz_zimopelizire_wuxopexizes.pdfIn PDF document text
    • https://busixixadivuteg.weebly.com/uploads/1/3/4/7/134709325/tubumulajarofejot.pdfIn PDF document text
    • https://jusopusoguwukul.weebly.com/uploads/1/3/4/4/134494455/xevojumalevubaki.pdfIn PDF document text
    • http://dunodipike.sportsontheweb.net/tekog.pdfIn PDF document text
    • http://kakolamilasaru.medianewsonline.com/what_is_the_timeline_of_the_world.pdfIn PDF document text
    • http://zagafen.iblogger.org/61986064946.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414357/normal_60263ec6c3a1e.pdfIn PDF document text
    • https://pogixadajunoje.weebly.com/uploads/1/3/4/6/134661749/7694625.pdfIn PDF document text
    • http://janafan.scienceontheweb.net/el_avesta_espaol.pdfIn PDF document text
    • http://astropsychology.website/tegefusunexaxu9a6dt.pdfIn PDF document text
    • https://buwavazazaradig.weebly.com/uploads/1/3/3/9/133999961/sunolukovesivetoji.pdfIn PDF document text
    • http://fagogit.sportsontheweb.net/42447269799.pdfIn PDF document text
    • http://nafarami.medianewsonline.com/57736492920.pdfIn PDF document text
    • http://kejurudoji.medianewsonline.com/90791656114.pdfIn PDF document text
    • http://macsk.space/subject_predicate_direct_object_indirect_object_worksheetsy92ld.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367937/normal_60330a84ccd64.pdfIn PDF document text
    • http://varnisvakq.ru/91710767008sjrfz.pdfIn PDF document text
    • http://voseboler.iblogger.org/josuzo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bizedesaxifu.onlinewebshop.net/gavitivol.pdfIn PDF document text
    • http://vakogez.myartsonline.com/baixar_o_alcoro.pdfIn PDF document text
    • http://wozimape.onlinewebshop.net/airmen_group_x_syllabus.pdfIn 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/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000edd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDD5 5272 bytes
SHA-256: 8978a58e03ab647ad58d01bb0b0ac722637952b365b6424721fa569b88351779
font_01_sfnt_off0000ffc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFC2 11512 bytes
SHA-256: 9b3762912881786e65940071054fe06d682573eb7d17b0c0209ad7e221bcf4b1