MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics indicating 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 known malicious redirector infrastructure. The presence of a large number of links suggests an attempt to distribute malicious content or phish users.
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=stochastic+oscillator+pdf In PDF document text
- http://files.mississippidistrictexchange.com/uploads/1/3/0/7/130740443/71610fe2c23.pdfIn PDF document text
- http://files.shawfamilywellness.com/uploads/1/3/1/6/131637529/fd063c556a67f52.pdfIn PDF document text
- http://files.stephparisi.com/uploads/1/3/1/0/131071167/gekolupodu_pifekukefaza_pazojap_besisur.pdfIn PDF document text
- http://files.awakenoneness.com/uploads/1/3/0/7/130775712/linosuxipijeke.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/8863/4266/files/3579502643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3788/8410/files/canterbury_tales_old_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6448/2202/files/vewenovavalisivupezos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1061/2635/files/21415405729.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/farotobirifurikimoxudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7969/5526/files/77325507496.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1755/8426/files/attestation_d_hbergement_parent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6318/0438/files/77749653286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/nhie_home_inspection_manual_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8189/8913/files/77207505076.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0233/9232/files/gifedipatizebinufigiro.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000612f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x612F | 4908 bytes |
SHA-256: 7695d2aadd954cb07c866b29795ed76703d7727a4704568708274ff66a266b6f |
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font_01_sfnt_off000071d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D9 | 10376 bytes |
SHA-256: 2630e1c72d6094429f18b9a311c4aeff99f3dec79803bdb8aec47adda6c379c3 |
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font_02_sfnt_off00009573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9573 | 16112 bytes |
SHA-256: 275d0ef8f619a30f75d5b67021c85ffe51dbf44d82a44ecb2d07128ff93f9399 |
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font_03_sfnt_off0000aa42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA42 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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