MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded URLs, with a critical heuristic firing for a link to known malicious redirector infrastructure (ttraff.com). The document body also contains a reference to 'Linkedin. com/ feed/', suggesting a lure to trick users into clicking the malicious link. The presence of a large number of external PDF links, many hosted on Shopify, further indicates a link farm designed to obscure the malicious destination. No scripts were extracted from this sample.
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.com/pify?keyword=linkedin.+com%252F+feed%252F In PDF document text
- http://files.sarasotacountysurplusproperties.com/uploads/1/3/2/8/132814415/7419555.pdfIn PDF document text
- http://files.solutionstailored.com/uploads/1/3/1/4/131453712/2607489.pdfIn PDF document text
- http://files.eastbrooklynhousing.com/uploads/1/3/2/6/132681194/nusamek.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/1/0428/5235/2156/files/12844903043.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6056/0021/files/sonof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5411/1656/files/filesekilubakumexesitoti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7175/6698/files/vmware_workstation_15_pro_license_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3958/0575/files/39126362839.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1194/6134/files/norewomipumuruwunipeduvup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2187/6900/files/77965791249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1977/9742/files/diwewit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3264/0664/files/fuxisewopukewugapurugiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7487/9641/files/14718230626.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8144/1181/files/59593199501.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4586/9985/files/givewosuxarazomomiparilu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000729b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x729B | 4432 bytes |
SHA-256: c7f6310b348c0c927f46d805770ac24cf47729a1e7686a0bf0a8ab58f32eefa0 |
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font_01_sfnt_off00008193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8193 | 10096 bytes |
SHA-256: 076bca30fdc43e4c8e5a2b60b89c3132a389b63e137f7b6e7ab0ab06a95108fc |
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font_02_sfnt_off0000a40d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA40D | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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