MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains multiple heuristics indicating malicious intent. Specifically, it includes a link to a known malicious redirector at 'ttraff.com' and a large number of external links, suggesting a link farm or SEO poisoning tactic. The document body, though heavily obfuscated, also contains the malicious redirector URL and several benign-looking PDF links hosted on Shopify, likely to lend legitimacy. No scripts were extracted, but the primary attack vector appears to be social engineering through malicious links.
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=sunglasses+emoji+copy+and+paste In PDF document text
- http://files.lrse-nd.org/uploads/1/3/1/4/131438397/6696206.pdfIn PDF document text
- http://files.gratitudeismyreligion.com/uploads/1/3/1/3/131380063/xuvakebalugo-zinigupivupoxev-kivaka.pdfIn PDF document text
- http://files.gretchenkelleywrites.com/uploads/1/3/2/7/132740445/1cace892910.pdfIn PDF document text
- http://files.trinitypreparatoryschoolnj.com/uploads/1/3/2/6/132683014/cab99ba2a0ec2.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/1/0428/9835/8432/files/89120948070.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2858/6402/files/33082952565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7805/6091/files/ruwogujelawedonesiperejek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4535/5682/files/fepedadoxibamopimev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4112/0679/files/java_concepts_7th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wonazonuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9977/5381/files/gifok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6509/6857/files/1816911085.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/buboronadakazekono.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6547/3189/files/zowuduzenanadawegafomizon.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off00007eee.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x7EEE | 12276 bytes |
SHA-256: a1fc5c0fcabfd3be585a64de96dd574834a4a370ee4a958ba480c107a3973439 |
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font_00_sfnt_off00005dfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DFB | 3896 bytes |
SHA-256: 47972cfdc0fef60f6394453941b332aeb9212c68fd2e9c401a12710b37e7f8e3 |
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font_01_sfnt_off00006bfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BFB | 5580 bytes |
SHA-256: e87a7c687a119f3fbaf5c2d8a035a0a8263d2e201cd62028712c58ef6c7a3f55 |
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font_03_sfnt_off0000a697.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA697 | 11896 bytes |
SHA-256: 83e968ed804afac2909a162a0d48accb67cc39fa4a6d0d46ae8b49fafb4490d2 |
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font_04_sfnt_off0000cf3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF3C | 18544 bytes |
SHA-256: 30f807ce945697f620d65182cfa1c0c41278c92cbd8e2502c4886051e5cdc447 |
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