Malicious PDF — malware analysis report

Static analysis result for SHA-256 accf0473cd2d8099…

MALICIOUS

PDF

44.9 KB Created: 2020-08-08 15:50:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b053bb84c1ca379645b746980a4986c3 SHA-1: 9192a197e12273633b1a46268c78426955f77949 SHA-256: accf0473cd2d809903e94a817f29be6310fd663e44c6bbd57a8bb1bea96e0d09
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of these links, https://ttraff.com/pify?keyword=anemia+definicion+pdf, is identified as a malicious redirector. The document body contains obfuscated text and URLs, suggesting an attempt to disguise malicious content. The ML classifier also flagged this PDF with high confidence.

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=anemia+definicion+pdf In PDF document text
    • http://files.mainstreetenid.org/uploads/1/3/0/8/130874077/541988.pdfIn PDF document text
    • http://files.juneauflukes.org/uploads/1/3/1/3/131383821/giwutosulaf_mufiga_sumuwa.pdfIn PDF document text
    • http://files.sandaharrboerboels.com/uploads/1/3/0/7/130775413/5839619.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1381/5966/files/tic_tac_toe_svg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9097/6673/files/tamegusidemojafupawep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2033782386.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1708/3802/files/39183555151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8852/7013/files/gifilejepekib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2930/7296/files/gimubesutuwuzebep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0455/6272/4517/files/amadis_de_gaula_completo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1814/9285/files/ninutudidumopororijaro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2402/2677/files/refuvurerelugumotuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9469/5324/files/irc_change_nick.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8863/4263/files/dozurexavuvete.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4657/5016/files/jspdf_autotable_hooks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8344/0030/files/diwotaperex.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65E0 4692 bytes
SHA-256: a318c64dce8b720fef61216c9c0223ceb019adaab01df435258df1dacde9d008
font_01_sfnt_off000075ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75AD 10704 bytes
SHA-256: fb226527a9618103a4a9443e190a8c3ddfd934f2e67078f1d12da7eb4491e5ee
font_02_sfnt_off00009895.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9895 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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