MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to a high number of embedded external links, a technique often used to create link farms for SEO manipulation or to redirect users to malicious sites. One critical heuristic specifically flagged a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=pronoun+and+their+antecedent+pdf'. While many other links point to benign Shopify domains, the presence of the malicious redirector and the sheer volume of links suggest a malicious intent, likely to lure users to a compromised or malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=pronoun+and+their+antecedent+pdf In PDF document text
- http://files.victorystrengthandfitness.net/uploads/1/3/1/3/131379111/3189598c68fd.pdfIn PDF document text
- http://fabupa.thelactx.com/uploads/1/3/0/7/130776485/6227263.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/1/0428/5943/0054/files/64105031386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2878/1973/files/business_management_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/9051/0749/files/blackmart_pro_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8494/8380/files/benim_hocam_kpss_trke_ders_notlar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0876/1764/files/all_unix_commands_with_syntax_and_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6805/4940/files/37258686187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4647/6708/files/10973361940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3734/3387/files/49614489543.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9838/3260/files/posivurewuzejasag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6612/1623/files/determining_volume_of_joined_rectangular_prisms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3439/5295/files/jadijijovoxotetilezeris.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/3040/0411/files/honda_nc700x_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/5425/5515/files/unity_clamp_rotation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8855/2870/files/approaches_to_the_study_of_psychology.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000683b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x683B | 5032 bytes |
SHA-256: e5b7e23771bb9b2519c66eee002234efa7c1594c5ce80738a40ce9ee5d9cc67d |
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font_01_sfnt_off00007950.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7950 | 10080 bytes |
SHA-256: 62f7463fa571b20f9292a722eb4922b42c999db29d3f03ba13e2436cd99675fd |
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