MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though heavily obfuscated, contains references to a datasheet and a URL that appears to be part of a link farm designed to improve search engine ranking for malicious content. This suggests a phishing or scam attempt using a lure of free downloads.
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.com/pify?keyword=atmega8+microcontroller+datasheet+pdf In PDF document text
- http://files.bowlermedical.org/uploads/1/3/1/3/131379781/2803418.pdfIn PDF document text
- http://files.a1-therapy.com/uploads/1/3/1/6/131636702/nazovotidiludat.pdfIn PDF document text
- http://kofozesa.psychedelicsmadnessawakening.com/uploads/1/3/1/1/131164250/8402300.pdfIn PDF document text
- http://waxuximaj.mothernoble.com/uploads/1/3/1/6/131607163/poxitilopat.pdfIn PDF document text
- http://files.hummingbirdmedicineboise.com/uploads/1/3/1/4/131437949/nofomibepopetosaxa.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0440/4009/3846/files/how_to_fix_rimworld_1._1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3217/2965/files/52507020207.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4121/6919/files/michaela_schwyhart_twitter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45366335679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1485/6610/files/98253305700.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2350/6336/files/52141629973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4478/1735/files/linetuxomizolebava.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9445/0078/files/73996724684.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3846/6460/files/zovonitopi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7808/9878/files/6046665087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0485/4426/files/xosurim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4386/4228/files/47123237567.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2086/0064/files/97790607559.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5531/7149/files/70178339545.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/1376/3235/files/inductive_and_capacitive_proximity_sensors.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_off000067c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67C9 | 1560 bytes |
SHA-256: de0ba63a6dfdc6cbfee0b1d5f09e03b27045519c1303e2f2e2c34c223f7f29fa |
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font_01_sfnt_off00006fc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FC6 | 5752 bytes |
SHA-256: 30d173a668bbf71c8a2b57c2716925fb2ae8a15848a22737d75674e302f7fa5e |
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font_02_sfnt_off0000832f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x832F | 16020 bytes |
SHA-256: 022c5b0971b5ede40fc64c18781458174eb392ff61791dd73b4adbc3ddf11316 |
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