Malicious PDF — malware analysis report

Static analysis result for SHA-256 af5b75eb2c9be0d4…

MALICIOUS

PDF

55.7 KB Created: 2020-07-31 04:30:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e57f0810bd577c3b560bce90ea5df877 SHA-1: 379fe32767836603c5957149403027a28ea85d0b SHA-256: af5b75eb2c9be0d4e0df07386018b1ee3a018fe00d8a28d8976b39ca9ffa2c0c
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=le+gaspillage+alimentaire+pdf'. Additionally, it exhibits a PDF link farm with numerous external links, including 'https://cdn.shopify.com/s/files/1/0435/5211/2803/files/pofimewapaxexerixosa.pdf'. The ML classifier also strongly indicated maliciousness. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its direct content, but the presence of these malicious links strongly suggests a phishing or malware distribution attempt.

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.cc/pify?keyword=le+gaspillage+alimentaire+pdf In PDF document text
    • http://files.michaelhogarth.com/uploads/1/3/1/4/131437806/1486986.pdfIn PDF document text
    • http://files.desertroseplayhouse.net/uploads/1/3/1/4/131453735/8010749.pdfIn PDF document text
    • http://files.kathrynthornton.com/uploads/1/3/0/9/130969800/nefisaxeda-fesizotivek-zirerejoda.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/1/0435/5211/2803/files/pofimewapaxexerixosa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8272/7067/files/81834508916.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7861/5189/files/73066710852.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9925/0072/files/52491847168.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7361/0663/files/6116918478.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5704/5913/files/45524988164.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/nukujasumadoxexenegenin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5238/3904/files/gukarik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5352/1823/files/sewaluben.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1967/2472/files/xabimavox.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_off0000986f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x986F 4980 bytes
SHA-256: 5392260b5deb377558ce6a0db4164440a46c64bf65a72e1697ca6b86b65dbc97
font_01_sfnt_off0000a93a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA93A 12344 bytes
SHA-256: 30db9031a75adf9c87e2d5ec8c90324b632446a0678153286f6af87d415571c4

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