MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one identified as a malicious redirector. The document body includes text suggesting a download lure, and the presence of a 'SE_DOWNLOAD_BUTTON' heuristic further supports this. The primary malicious IOC is the redirector URL, which likely leads to further malicious content. The file also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm for SEO poisoning or traffic redirection.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=collocation+dictionary+pdf+free+download In PDF document text
- http://files.marisamsorce.com/uploads/1/3/0/7/130738971/lokobikaso-jimusisevos-suvekik.pdfIn PDF document text
- http://files.franklalumia.com/uploads/1/3/0/7/130738836/fa74c426e631ea4.pdfIn PDF document text
- http://files.hr-transparency.com/uploads/1/3/2/6/132695714/1902794.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/1/0434/7786/0516/files/90842742331.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5797/0328/files/xezezopoben.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8544/6824/files/81997774704.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0081/2952/files/minecraft_decay_enchantment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3485/3021/files/31356557452.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7877/0076/files/44072855322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2661/9288/files/ymca_new_bedford.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4620/5602/files/fagemixotewina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5458/0391/files/6786011236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2619/4336/files/wefapotexadepivekirijez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/maguseperutimiru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3550/7358/files/1712280030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2402/2677/files/sojisedinizuxopazanozapaw.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_off00005eb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EB3 | 5072 bytes |
SHA-256: 6230651607071a3f54257f1110b317e9b06ef23c0bb9392c52786914a1eb9e4d |
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font_01_sfnt_off0000701b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x701B | 10544 bytes |
SHA-256: 47952100a75e253e4cf253bfc24fbd3384e8ccf5844fa45f80dd6de7970aa12e |
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