MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains numerous embedded URLs, including a suspicious one pointing to 'ttraff.ru', which is likely part of a phishing or malware distribution scheme. The presence of a large number of external links suggests an attempt to overwhelm security measures or distribute payloads through various channels.
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=4+unit+apartment+building+plans In PDF document text
- http://bilob.memphisactivismcalendar.org/uploads/1/3/2/3/132303359/773a64322f4.pdfIn PDF document text
- http://bosida.villageinitiativeinc.com/uploads/1/3/1/6/131637284/faaedd66ce068e.pdfIn PDF document text
- http://files.writeonwebb.com/uploads/1/3/1/4/131483249/retasibakume-roxalupirefoz-nikudopul.pdfIn PDF document text
- http://sefobuj.nicholasmongiardocooper.com/uploads/1/3/1/4/131482995/xisew.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/1/0438/7618/8315/files/bajazewirixavekitox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5245/7369/files/aquatools_sand_filter_owners_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3136/3747/files/baccharis_coridifolia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5778/3718/files/kemutomuwilulagenu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0057/8723/files/lasiraranemipurojapixen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8570/1019/files/19691151308.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9162/3074/files/50662434923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7016/0032/files/acidosis_metablica_hiperclormica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0173/3542/files/minecraft_maps_1._8._8.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6336/2204/files/50198070938.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8100/6244/files/1139889645.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9026/4742/files/60705040994.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97503793953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8475/0747/files/90690588565.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_off0000657d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x657D | 5412 bytes |
SHA-256: 9cfaf7c0aeee3ec8924ec42ba345d4044fc3b6781ab9ddd684ed088951810645 |
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font_01_sfnt_off000077ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77BA | 10920 bytes |
SHA-256: 7bd8a63949f2ef3f11c5159b09a67a6c17ae237edf4f7d8648b96945c921f734 |
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