Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2536704de1855aa…

MALICIOUS

PDF

72.8 KB Created: 2021-03-02 21:56:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 216b7cf6842530498e1b7db8470ea306 SHA-1: 7309fee97ebee38473f691663db92889e229a1c6 SHA-256: e2536704de1855aa874b5b9080ef8af1e765bfcbe4ba9f03259721b1f9f335b0
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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
  • 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://zajinet.ru/award?keyword=nutrition+for+taco+bell+chicken+power+bowl PDF link annotation
    • http://sodalabs.club/35609208831sww74.pdfIn PDF document text
    • https://cdn.sqhk.co/wotirixa/ahgsggb/bein_sports_espanol_dish_channel_number.pdfIn PDF document text
    • http://muwenigijevas.22web.org/lixajavugojib.pdfIn PDF document text
    • https://fujemolubese.weebly.com/uploads/1/3/4/0/134012375/bf1a361.pdfIn PDF document text
    • https://cdn.sqhk.co/kizafizutuw/eGxLidr/zopojenojojekame.pdfIn PDF document text
    • https://zomubotedop.weebly.com/uploads/1/3/0/8/130873922/lofuxunob.pdfIn PDF document text
    • https://mevidumufodu.weebly.com/uploads/1/3/2/3/132303219/2508079.pdfIn PDF document text
    • https://nefosedinipal.weebly.com/uploads/1/3/4/6/134698739/8087560.pdfIn PDF document text
    • https://cdn.sqhk.co/xotosira/Wjdfggb/najegilukabixuluzo.pdfIn PDF document text
    • https://cdn.sqhk.co/zolilobup/H5zEibd/at_t_phone_deals_on_iphones.pdfIn PDF document text
    • https://cdn.sqhk.co/muxigatatini/igigjaI/32478045947.pdfIn PDF document text
    • https://cdn.sqhk.co/tivinarafuvu/ic6hjha/94393494282.pdfIn PDF document text
    • http://lekanevakima.iblogger.org/character_creation_sheet_5e.pdfIn PDF document text
    • http://galubiwigo.iblogger.org/90727397001.pdfIn PDF document text
    • http://axecheat9.xyz/gewebenanozu5agor.pdfIn PDF document text
    • https://cdn.sqhk.co/firijanab/hF5BjhN/53466487404.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://napepezubebefiw.epizy.com/71565689214.pdfIn PDF document text
    • http://bepinodobax.rf.gd/dunkin_donuts_carb_count.pdfIn PDF document text
    • https://s3.amazonaws.com/batoragubukepo/taco_bell_breakfast_steak_quesadilla_nutrition.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e027.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE027 5192 bytes
SHA-256: 767d087d7844847aca4355af566ea7d33595e1c481606f4a580b79050d15d970
font_01_sfnt_off0000f1df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1DF 10592 bytes
SHA-256: 2480bb95e1f9ab5c3f16af8b9159c3f29a69b14b87bad37be23eaa16e1490bb6

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