Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae419dc69630571f…

MALICIOUS

PDF

82.4 KB Created: 2021-03-21 05:03:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4cd4448eb0f0a4849a9f8e534ee68c96 SHA-1: 91c6dc87d8daebf875a15c82211d1b697a8ac8cf SHA-256: ae419dc69630571f6ffcafffa2a5a1bb508cc61dd6eb59e199dfaead8860465f
196 Risk Score

Malware Insights

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

The PDF file contains numerous external links, many pointing to SEO-optimized domains, suggesting a link farm or phishing campaign. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_UTM_REDIRECTOR_LINK indicate a deliberate effort to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly support a malicious classification, likely related to phishing or malware delivery.

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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://soxebez.ru/wix?keyword=radical+word+problems+worksheet PDF link annotation
    • https://s3.amazonaws.com/godoremitiwuja/macbeth_act_4_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/pegebunov/wuguxub.pdfIn PDF document text
    • https://s3.amazonaws.com/kukazowox/fikejeworobotiwen.pdfIn PDF document text
    • http://newoxoxi.mywebcommunity.org/13949336280.pdfIn PDF document text
    • https://s3.amazonaws.com/nisiwanolom/71643187059.pdfIn PDF document text
    • https://s3.amazonaws.com/belapawerezuju/hp_8000_elite_release_date.pdfIn PDF document text
    • http://vedibekupuviru.iblogger.org/76555614038.pdfIn PDF document text
    • https://s3.amazonaws.com/sizadagazagaj/1582672224.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fajazimigig.atwebpages.com/31315386716.pdfIn PDF document text
    • http://jabelakejirer.epizy.com/60236614864.pdfIn PDF document text
    • https://6196a4e6-b3b5-4a85-a139-4ec84e0a53d9.filesusr.com/ugd/d01287_a588d5566a1f4ee4976fdee8123da5a0.pdf?index=trueIn PDF document text
    • http://lojogijenijuf.epizy.com/bryant_plus_90_furnace_price.pdfIn PDF document text
    • http://tovujopojat.epizy.com/7262234610.pdfIn PDF document text
    • http://lamafuravufezin.epizy.com/rogufewibitixuw.pdfIn PDF document text
    • https://e25b5f36-ee09-4010-8803-019b2853a23b.filesusr.com/ugd/c34eac_973bb87d5850405b828161455b438298.pdf?index=trueIn PDF document text
    • http://jexeboxemu.rf.gd/40463831814.pdfIn PDF document text
    • https://0b21792c-a699-4cf4-8833-5910c6ad58af.filesusr.com/ugd/b0b521_220abef2cb0e43b88443b108db54ef09.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 4

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC7A 5616 bytes
SHA-256: 976c6ff421364f5015805075e21b140b92b6234bcf365268b7cfc547c31980be
font_01_sfnt_off0000ff74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF74 11600 bytes
SHA-256: 55cc6fdf575b5a6206ca66dcb3f6e3fef75f1ecc3a88308092447b81ba9d2530
font_02_sfnt_off00012725.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12725 16236 bytes
SHA-256: b1345b03cb8ff90cb42c7c8f61cc0a97610ec8082568e26930ee59dd54284444

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