Malicious PDF — malware analysis report

Static analysis result for SHA-256 49215d43d30a2f45…

MALICIOUS

PDF

68.1 KB Created: 2021-03-07 14:57:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 4949f4359b59895ff9507f680c4e6501 SHA-1: 2db51f6683e7f604c1098c23f0899163f9daeca6 SHA-256: 49215d43d30a2f45e713f697877bf32809f8de033835df1ac4e7b4bab8a31626
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://dugedepap.ru/award?keyword=traitor+titan+legion+colour+schemes PDF link annotation
    • https://widosutolitidaf.weebly.com/uploads/1/3/4/8/134847614/f071a73d87.pdfIn PDF document text
    • https://dibetoxiruvon.weebly.com/uploads/1/3/5/4/135400859/999731.pdfIn PDF document text
    • http://kismyketio.com/27372044849se2vg.pdfIn PDF document text
    • http://xukosususif.medianewsonline.com/jabaroraxisir.pdfIn PDF document text
    • http://samyog.ru/adapter_to_use_iphone_headset_with_androidiwdgh.pdfIn PDF document text
    • http://uorott.com/igt_haywire_slot_machine_for_salerrjqu.pdfIn PDF document text
    • https://revibafejinaj.weebly.com/uploads/1/3/4/4/134485322/6138327.pdfIn PDF document text
    • https://korenumotijele.weebly.com/uploads/1/3/4/6/134687452/5402826.pdfIn PDF document text
    • http://hookup157.site/xatupfk312.pdfIn PDF document text
    • https://jufigewadekuxo.weebly.com/uploads/1/3/1/4/131406441/zunux.pdfIn PDF document text
    • http://namedaun.fun/duels_unreleased_mod_apk8yfpa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/de97e8ee-c647-45bb-8821-c606951cbfca/kirub.pdfIn PDF document text
    • https://ad9f1622-e3b7-49db-bfef-326c48fb2104.filesusr.com/ugd/a467d2_f23f9cf19e8f46628f9974b3f183aace.pdf?index=trueIn PDF document text
    • http://sofibimibojas.myartsonline.com/varudulowejava.pdfIn PDF document text
    • https://a1d1c4ac-cf1d-4c58-861c-45d1188f4b60.filesusr.com/ugd/052f3a_74c939c05a7d4f92afe9989c77feb259.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/ae252320-df1e-4ba6-b98a-c53704cf3b2b/rockwell_1734-ib8_wiring.pdfIn PDF document text
    • https://73af689e-4c80-4f62-99d3-7a886641ad81.filesusr.com/ugd/3b5dd9_634439d5f26c4bca9514d7111e1e2fbb.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/fc1070e6-e837-49e1-98c7-094e5634c735/bawewijikakodiguzozokaruf.pdfIn PDF document text
    • https://254b3b0b-79dc-4992-827c-fd4bb3db3178.filesusr.com/ugd/f515ca_91f64832ed1f4a189fa179e6d58f9ef1.pdf?index=trueIn PDF document text
    • https://ef5e9b3f-1a8e-4c79-9b60-34b8f8133c96.filesusr.com/ugd/18574e_4d7061368dac4d34843182c9d0a505ae.pdf?index=trueIn 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_off0000d0f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0F6 5164 bytes
SHA-256: 22529c2c19505facfca34d1b5d3108548edc1932c01bc85c1ed41139572b95e7
font_01_sfnt_off0000e256.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE256 9464 bytes
SHA-256: 512559936461b328faf52160204fe10730b05b717c94ac417cb450486c221368

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