Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e976d380ad58f80…

MALICIOUS

PDF

45.7 KB Created: 2020-08-02 13:59:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5fea979dddbf12d750a864d08d1a68f0 SHA-1: fd2039fe965e87edd0222975ca9c00cf95712bc1 SHA-256: 1e976d380ad58f80db57cdc7e74c66db8952a53fbe5c0edde79dd0d625c5cc51
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=john+deere+la105+manual'. This URL is presented within the document body, suggesting a lure to download further content or visit a malicious site. The presence of a large number of external PDF links also indicates a link farm, likely for SEO manipulation or to host further 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=john+deere+la105+manual In PDF document text
    • http://files.striba.net/uploads/1/3/0/7/130775275/furemetuva_vixoxusube_wagaranebi_fesuxazosame.pdfIn PDF document text
    • http://files.fourcornersuk.com/uploads/1/3/1/4/131483020/beloju.pdfIn PDF document text
    • http://files.toyaussietown.com/uploads/1/3/0/7/130776445/4625337.pdfIn PDF document text
    • http://files.larte.us/uploads/1/3/0/7/130776131/narolikezezoluj.pdfIn PDF document text
    • http://files.lakelandchoralsociety.org/uploads/1/3/1/4/131408439/guvugukes.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/1/0440/6591/5032/files/rajotipexiforarigasid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2844/6358/files/jefopakekafigodoxekix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2254/1209/files/45506252797.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9313/1425/files/dexasiwisu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0820/4704/files/bejopunegigotutirutujime.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5119/6314/files/37061865096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5355/5624/files/tulufiwajalivowazowozaruk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8762/4344/files/78810762534.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7139/6257/files/11361009737.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jerozex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7084/9181/files/lesimejenowulijubidojad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4616/4897/files/pevudajufafemebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5959/2864/files/vadogajoniworozaputowamer.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 8

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_off000068aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68AA 5192 bytes
SHA-256: 8d78ca97c233941025c3828ece3d68deed1b5d26ee5a7f7b1c2cfcbe8077627a
font_01_sfnt_off00007a2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A2B 14880 bytes
SHA-256: 5f354d0c854c9de3c7ae93bb2092272ced9869015c31b9bc00c35f900be2ac9b

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