Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed6ef07f72753f7d…

MALICIOUS

PDF

61.2 KB Created: 2021-02-21 01:52:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 5f7ba76b6fdfba4802c58a1b8420ce71 SHA-1: 69a903f94b3b74e87b2f287678560d1399e8c03b SHA-256: ed6ef07f72753f7d2d8f10b828c5da67091123d79f7f02975a237526f3803eb5
242 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to disposable domains or redirectors, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to malicious websites, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7766

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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.
  • 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://crophysi.ru/strik?utm_term=thomas+and+friends+the+other+side+of+the+mountain+uk In PDF document text
    • http://canonsburglake.org/skylanders_trap_team_trapsj10if.pdfIn PDF document text
    • https://cdn.sqhk.co/zimopaji/idthcie/pac-_man_world_rally_psp.pdfIn PDF document text
    • https://zekilunadaxidub.weebly.com/uploads/1/3/4/6/134631079/lokubamemofun-wenukananagala-gusuzipuxosage.pdfIn PDF document text
    • https://cdn.sqhk.co/sewadokoka/Mjicyjf/xukiwakuwatixojipove.pdfIn PDF document text
    • https://cdn.sqhk.co/kupejabel/gjicjcr/safudaji.pdfIn PDF document text
    • https://kogexabisuzim.weebly.com/uploads/1/3/4/3/134322867/baed797.pdfIn PDF document text
    • https://cdn.sqhk.co/lupobikud/jeii5gj/werewolf_online_for_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/xafemepino/gegiXJp/biwaki.pdfIn PDF document text
    • https://vuzivofe.weebly.com/uploads/1/3/0/9/130969370/vunixudogoza_pizebuzemav.pdfIn PDF document text
    • https://cdn.sqhk.co/runetonorox/Nge6vhe/pocket_world_3d_answers_japanese_style_cottage.pdfIn PDF document text
    • https://cdn.sqhk.co/pekobenew/ihH5sig/wands_mod_1._11._20.pdfIn PDF document text
    • https://cdn.sqhk.co/midipijikami/jcQcYhf/royal_icing_simple_christmas_cake_designs.pdfIn PDF document text
    • http://merovew.xyz/convertir_decimales_a_fracciones_ejercicios_resueltosdu05f.pdfIn PDF document text
    • http://negozio50sconto.info/povosusumudanuwag9s2r8.pdfIn PDF document text
    • http://wekeb.space/drift_trike_for_sale_australianai38.pdfIn PDF document text
    • https://zolotamazuragif.weebly.com/uploads/1/3/2/7/132712333/c155deabd8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zasidad.epizy.com/ungali_pakad_ke_tune_chalna_song.pdfIn PDF document text
    • http://babefuv.epizy.com/personality_quiz_esl.pdfIn PDF document text
    • http://roteniju.rf.gd/97447267499.pdfIn 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_off0000c709.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC709 5812 bytes
SHA-256: dd8839c2f8b81da8f4b26451858713c5a1c98a1bd99a098608a65bc2a5407864
font_01_sfnt_off0000db83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB83 5128 bytes
SHA-256: d92e54ee209624673b673c35533e05b7b6db5b86ea4927e2f8ef620078457c2b

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