MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links, many of which point to a redirector service (ttraff.com) disguised as a search result for a programming book. This suggests a phishing or scam attempt to drive traffic to malicious or untrusted sites. The ML classifier also strongly indicated maliciousness.
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/wb?keyword=visual%20basic%20dot%20net%20black%20book%20pdf In PDF document text
- http://files.nekitapilzphotography.com/uploads/1/3/0/8/130873781/6514734.pdfIn PDF document text
- http://files.beingwithcounsellinglondon.com/uploads/1/3/1/8/131871643/lavaletutafimasite.pdfIn PDF document text
- http://files.beyourradiantself.com/uploads/1/3/1/8/131857717/6086020.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/1/0435/5771/6117/files/1611003004.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1970/6269/files/kitamukazugubatewilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9199/3500/files/55458860493.pdfIn PDF document text
- https://sokorirakuzi.files.wordpress.com/2020/06/fevugubetep.pdfIn PDF document text
- https://luwudilitu.files.wordpress.com/2020/06/73881488340.pdfIn PDF document text
- https://zegikoduna.files.wordpress.com/2020/06/lukajegaw.pdfIn PDF document text
- https://fokewofupipi.files.wordpress.com/2020/06/36832842838.pdfIn PDF document text
- https://tupipek.files.wordpress.com/2020/07/52914420677.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6662/2105/files/97634299117.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5893/8531/files/jafadesutu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xifadek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pufabupenidobuxix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2568/6951/files/xewixoluwizekoxudefixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5010/6018/files/57158645035.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5507/1900/files/vupexewodebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1858/3192/files/46028358821.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1416/8480/files/giduriji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4474/8950/files/negotisagef.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_off0000a247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA247 | 5104 bytes |
SHA-256: 83327f23233206c884a82aa117d45cc7caa7803871589abdfff3b7ac92f47a12 |
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font_01_sfnt_off0000b3ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3AB | 13440 bytes |
SHA-256: 165ea62bff68c85ee297ee4535a543904a9fffd8da571c48e398a67841c92670 |
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