MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple links, including one to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=framework+3.+5+free++windows+8'. This redirector is likely used to deliver a malicious payload, potentially exploiting a vulnerability or luring the user into downloading unwanted software. The presence of numerous external PDF links suggests an attempt to create a link farm for SEO manipulation, further supporting a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=framework+3.+5+free++windows+8 In PDF document text
- http://files.sfbodyscrubs.shop/uploads/1/3/0/7/130740264/35f3b.pdfIn PDF document text
- http://devobela.reifierentertainmentdevelopment.com/uploads/1/3/2/6/132683459/6100396.pdfIn PDF document text
- http://files.mcauslanmaltinganddistilling.com/uploads/1/3/1/6/131637606/62036b614e.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/1/0430/0315/0499/files/jixomiremokodutowema.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2440/1063/files/wikexezedel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7233/1675/files/gexijunepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7500/9686/files/44070308466.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8491/3563/files/53043378029.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8270/3257/files/nafiguvegebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71895612735.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8520/9512/files/pekun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1361/1421/files/jee_main_b_arch_question_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1197/8902/files/pufidamimafigasokojuwulup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2562/8327/files/29928020642.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_off00006136.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6136 | 5648 bytes |
SHA-256: c9792322e6fadf0ff5a95f2b03fdda45dc1dc0a38b69e9e0b5ccdb5d2387180d |
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font_01_sfnt_off0000746c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x746C | 12940 bytes |
SHA-256: 8953b76a9be0b14f59681357bd653dea135682334ca28a495a3cc9756f9d438f |
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