Malicious PDF — malware analysis report

Static analysis result for SHA-256 122a50cea1db2e9c…

MALICIOUS

PDF

49.7 KB Created: 2020-08-04 16:26:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a3abab39fc1035cb2ef0e4a4960ada24 SHA-1: 706114d401a0d0ebd6cfd9fba9ab7af98ac7308a SHA-256: 122a50cea1db2e9cbab431a7ac386bdbc2488a9e6b1a4c6e141c4ed5947cfc64
194 Risk Score

Malware Insights

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

The PDF document contains a link farm and a redirector URL, indicating a phishing or SEO poisoning campaign. The primary redirector URL, https://ttraff.ru/pify?keyword=auxiliaire+de+pu%25C3%25A9riculture+fiche+m%25C3%25A9tier+pdf, is identified as malicious. The document body, though partially corrupted, contains text related to a job description, likely a lure to encourage clicks on the malicious link. No scripts were extracted, but the presence of malicious redirectors and link farms strongly suggests an attempt to lead users to 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.ru/pify?keyword=auxiliaire+de+pu%25C3%25A9riculture+fiche+m%25C3%25A9tier+pdf In PDF document text
    • http://files.clovisbethel.org/uploads/1/3/0/9/130969532/8193835.pdfIn PDF document text
    • http://files.trendupwholesale.com/uploads/1/3/0/7/130739233/ad7cb.pdfIn PDF document text
    • http://files.myvegandish.com/uploads/1/3/0/7/130740242/gumupubib.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/1/0434/1301/2637/files/90721712029.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7511/6959/files/18680200758.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5564/3814/files/93398144576.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1310/2998/files/3069685943.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1913/1285/files/pilerurisagovavazakeriner.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1538/9855/files/lugugazexabun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6192/6293/files/what_are_twitch_raids.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8670/8890/files/batodelavogiwozavaxijosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3030/6203/files/vaxunutafaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vatamukizulenekop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5247/4280/files/92311823539.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0485/4435/files/73115472575.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_off00007ee6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EE6 5416 bytes
SHA-256: 571f6f0d21a91ef20df87db3a4b7efa2d2a61702dd02e57a65844357ddc3aa3e
font_01_sfnt_off000090ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90EE 12356 bytes
SHA-256: a651227d6ebe75c3d8fa36d89aad4a83621d066f3a033e2e867e875768aaedaa

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