Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0a480eda09a658b…

MALICIOUS

PDF

50.8 KB Created: 2020-08-20 18:01:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 08c901df73028d64bf53140d5b6da05f SHA-1: 8d01576cb6b0155700f33de1c931d1a5c763c177 SHA-256: d0a480eda09a658bb708f387e327150ace0cf50046624aca0404bdaa618df166
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector infrastructure at 'ttraff.com'. This suggests the document is designed to lure users into clicking these links, which likely lead to malicious content or phishing pages. The ML classifier also strongly indicated maliciousness.

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=admob+ads+library+in+android+studio In PDF document text
    • http://files.inserviceengineering.com/uploads/1/3/1/3/131383837/a75c740ec2978.pdfIn PDF document text
    • http://files.therapydoglovers.org/uploads/1/3/0/7/130775978/8105081.pdfIn PDF document text
    • http://files.wssptx.com/uploads/1/3/0/7/130775838/jofawuwudo_refokokurufed_basafavovugafu.pdfIn PDF document text
    • http://rolag.tri-starglove.com/uploads/1/3/0/8/130873848/jewax.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/1/0434/7795/8822/files/rubigiguvalifezu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vepotarinaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8043/3302/files/nogalixizodafuwabe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8128296882.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7682/0890/files/58434352171.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8548/7525/files/xobevomupagedibelalinili.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7808/9878/files/kimujuwo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3203/4980/files/patomosenono.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0677/0849/files/tukusupa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7673/0533/files/aachen_aphasia_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6422/2101/files/miriburilinagovaw.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 1

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_off00007a16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A16 5204 bytes
SHA-256: eef1c61cfdab7f2ee5291b1d3dd718b99563b5b659f6c4f91669d8e6ac72eecb
font_01_sfnt_off00008bab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BAB 15404 bytes
SHA-256: ad2c32047b1acd275e94db8806c503f50cad6cd28f5148cd3c6581ebe6ccc439

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