Malicious PDF — malware analysis report

Static analysis result for SHA-256 adb71f501493388a…

MALICIOUS

PDF

41.0 KB Created: 2020-08-22 01:40:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7eb0b106d1f42134d73dc96883e076ba SHA-1: ef1f12720527bc8425d668872f5b445177ae2979 SHA-256: adb71f501493388ae90f5eda1c40ac87777504144814dde28ecd6ebf0b20870e
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=abies+pindrow+pdf' which is likely used to redirect the user to a malicious site. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm or SEO poisoning attempt to distribute malicious content.

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=abies+pindrow+pdf In PDF document text
    • http://dopisum.afmmixer.com/uploads/1/3/0/7/130775052/wivifepatonejij.pdfIn PDF document text
    • http://files.onepercentpr.com/uploads/1/3/2/6/132682739/tajosoxelabofu.pdfIn PDF document text
    • http://files.midamericaairmuseum.org/uploads/1/3/1/6/131607805/63c050915.pdfIn PDF document text
    • http://files.crossfitavon.com/uploads/1/3/1/0/131070313/nizawebifujo-debuliwobifisof-tasosisise-namefopomo.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/1/0431/2891/4074/files/17908817643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8987/0491/files/arcgis_10._5_installation_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6055/7974/files/gebejewizupavobavoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2247/5687/files/pisovugupavutomil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1131/5611/files/2533798892.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/banefidofekadozimodomi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6094/4286/files/accu_chek_performa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9408/8611/files/the_buddhist_bible.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0742/4158/files/el_camino_de_la_cabala.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 5

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_off000060b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60B5 5012 bytes
SHA-256: 8daa7d5a80ed462328450dbc6818e45a5f235b4c127d7a6374ea923f31b2e117
font_01_sfnt_off000071d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71D4 11676 bytes
SHA-256: 44cae1cfab0b806af1ed40399409606e7ac19bd1e0be35bff02a60fb27845a9d

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