Malicious PDF — malware analysis report

Static analysis result for SHA-256 7be8af258f67de04…

MALICIOUS

PDF

63.5 KB Created: 2020-08-07 03:50:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bff9fc11ab0519096818ad028545e6da SHA-1: 41274fc1577bd190b17743d5ee99c35bfcadb302 SHA-256: 7be8af258f67de048523808d882ce726b6277c837cd1a3fe728f936550c91507
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links designed to appear as a resource for 'risk management books pdf'. However, these links redirect to malicious infrastructure, specifically a redirector at 'https://ttraff.cc/pify?keyword=risk+management+books+pdf'. This indicates a phishing or scam attempt, likely to lead users to malicious content or further compromise. The ML classifier strongly supports the malicious verdict.

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=risk+management+books+pdf In PDF document text
    • http://files.irene-vassos.com/uploads/1/3/0/8/130814208/6711595.pdfIn PDF document text
    • http://files.oceanetic.com/uploads/1/3/0/7/130776200/miroxal.pdfIn PDF document text
    • http://lujafedi.fullyrawlabel.com/uploads/1/3/1/4/131437657/5971874.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/1/0433/7260/9686/files/kokasufo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3144/5156/files/55161745968.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1609/3849/files/tilopujunubulelexon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9416/3109/files/75287505381.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1184/0927/files/6764749370.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2545/7574/files/noxogina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5266/1912/files/felajivutupojagamevefiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7264/3491/files/10_percent_luck.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3294478915.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7482/9987/files/jegebopobamedinoruxedodow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3081/4626/files/sons_of_anarchy_torrents.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0298/5621/files/xibogujirewuwapera.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 3

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_off0000bafc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAFC 5444 bytes
SHA-256: ab6b9f20065517d1cf3544659e88070736d2ab12b7f368ba82475f1df75488c4
font_01_sfnt_off0000cd79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD79 10452 bytes
SHA-256: 76652c6300792ab5e06d65cfdbb46db346f08d3d8c453399e95d55fa6c190b78

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