MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, a technique often used for SEO manipulation or to redirect users to malicious sites. One critical heuristic identified a link to a known malicious redirector, traff.cc. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the presence of a link farm suggests an attempt to drive traffic to potentially malicious content.
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.cc/pify?keyword=libros+sobre+autolesion+pdf In PDF document text
- http://files.newdawnguatemala.org/uploads/1/3/2/7/132712154/da9fb4b49f470a.pdfIn PDF document text
- http://powewuxo.advancedmedphysics.com/uploads/1/3/1/0/131070786/6021056.pdfIn PDF document text
- http://files.bemedialiterate.com/uploads/1/3/0/7/130775792/wozaxoti-xuronepo.pdfIn PDF document text
- http://gerig.ozonatrace.com/uploads/1/3/2/7/132710621/vebigakob_votuwubevid_xatiluwoviwif_namidoravaseva.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8918/2376/files/adding_and_subtracting_fractions_word_problems_4th_grade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/badogutadosivi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6072/1829/files/43677043959.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1312/7844/files/19761908775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0219/1269/files/limav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5319/5165/files/all_i_do_is_win_clean.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6698/2561/files/tuziperepudotoluburizi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8186/7176/files/77547950177.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8603/5621/files/arterial_blood_gas_interpretation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4008/0025/files/7073054847.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8879/6065/files/16434809609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/denikiv.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007cf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CF4 | 5116 bytes |
SHA-256: 34736a4846bc2a07b97114dfcfb33ccf160f6ad9d7ad25b81b0589c0d33c6c61 |
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font_01_sfnt_off00008e58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E58 | 6424 bytes |
SHA-256: 3a4b5dc7eb1ed2440188d9790fc3a8989dd203435c946376c8737f94935219b7 |
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font_02_sfnt_off00009f41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F41 | 11448 bytes |
SHA-256: b717ce0d98cb110d4e4abaead8ae287fb645f48757adc01e2cfb7660ccfd0571 |
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