Malicious PDF — malware analysis report

Static analysis result for SHA-256 af20030461d46030…

MALICIOUS

PDF

46.6 KB Created: 2020-07-28 11:16:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e6bcb8a0d6bc231564a030fde45e6f10 SHA-1: 6c6d57ac3bd88095169f6efb3bf1d71dcb08c24d SHA-256: af20030461d460306494f64c491aa019d291b44f8a581953adb50d893d0829b5
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a significant number of embedded links, with the primary heuristic identifying a link to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains text that appears to be a lure. The presence of a link farm suggests an attempt to drive traffic to malicious or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.
  • 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://ttraff.com/pify?keyword=lagu+on+my+way+illijah+uyeshare In PDF document text
    • http://files.sccottawa.com/uploads/1/3/1/8/131872087/tepukutunovekaw.pdfIn PDF document text
    • http://files.basicacademycheer.com/uploads/1/3/1/6/131607321/8900352.pdfIn PDF document text
    • http://files.everyonesopera.com/uploads/1/3/1/3/131398144/babekudojafom.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3426/4231/files/weginemod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3087/2215/files/22428352464.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0745/8975/files/45293614109.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8151/3625/files/4276665169.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5448/7957/files/54449918001.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9180/2777/files/42726772238.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8706/8322/files/birunazidijoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/vexapifakezomit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3191/2857/files/dalavub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3826/7809/files/gavinuxexifoxuritaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2762/0249/files/22269679050.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 6

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_off000066dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66DD 5112 bytes
SHA-256: 2ba56dc20813d0f6471b2d69f78bc344260bad3e053a6b54105b321529213001
font_01_sfnt_off0000781b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x781B 4976 bytes
SHA-256: 1240b3c94515cb3df8d90f40b66b7f59c3e91755c78c2475faf2dda7c19880fb
font_02_sfnt_off000085e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85E4 12728 bytes
SHA-256: 68af5995165ed46a7144426fcd8c0a03d395fe237f9d9a194e4e687fc0ac6f2e

Open this report in the interactive analyzer, or submit your own file for analysis.