MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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 text that appears to be a lure for a free download, suggesting a phishing or scam attempt. The presence of embedded URLs and the ML classifier's high confidence score indicate malicious intent.
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=receptors+of+autonomic+nervous+system+pdf In PDF document text
- http://files.smilecommunicationsgroup.com/uploads/1/3/2/6/132681002/vebevemiru.pdfIn PDF document text
- http://xuxej.coach-michael.com/uploads/1/3/1/3/131398091/senamixupi-padilomipok-niferu-ximedug.pdfIn PDF document text
- http://files.lm2go.com/uploads/1/3/1/3/131379213/gowuro-wilenulononej-rodugax.pdfIn PDF document text
- http://files.alecworley.com/uploads/1/3/0/7/130775373/joxukalefajere-dunetozigu-judewogapibewo-jizamikawaju.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/1/0437/7749/1105/files/thyroid_surgical_anatomy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1096/5147/files/vunugotuverovip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3094/5693/files/rasavavifulup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2684/9700/files/44559701625.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/livre_amlioration_continue.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3630/3782/files/64469737878.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12086745869.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2996/8534/files/55949001316.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6657/files/bacterias_gram_negativas_e_positivas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89832202682.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4464/2715/files/lowes_oneonta_ny.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9622/0572/files/data_structures_and_algorithms_for_dummies.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_off00008cfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CFE | 5320 bytes |
SHA-256: 5773a7be3c97b10ca56defda240094703af3d96d6b8921ba029522c495bd342c |
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font_01_sfnt_off00009f09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F09 | 10204 bytes |
SHA-256: 8ac36f9a623e001c5722d00b62bb9a1a1dac9eaf07a4a03d7ff12b133a466d35 |
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font_02_sfnt_off0000c1d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1D9 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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