MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, a common tactic for SEO link farms and redirecting users to malicious sites. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.com/pify?keyword=brief+history+of+computer+networks+pdf as malicious. The document body, though heavily obfuscated, contains this URL and other links that appear to be part of a link farm, suggesting a social engineering attempt to drive traffic to potentially harmful 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.com/pify?keyword=brief+history+of+computer+networks+pdf In PDF document text
- http://files.thesenseofplace.com/uploads/1/3/0/8/130814935/7276d.pdfIn PDF document text
- http://files.mssimonsays.org/uploads/1/3/1/3/131383380/neguxizufetek-xazaxakurogiri-nikotesari.pdfIn PDF document text
- http://files.bhscommunityboard.com/uploads/1/3/0/8/130873918/kutajapififametuxo.pdfIn PDF document text
- http://files.ewengur.com/uploads/1/3/1/3/131398250/f07777454dda49.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/1/0434/6180/4198/files/89428500460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/19252536586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0377/1041/files/boxudugawuxaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jidaxuno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6032/0663/files/69202212014.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1557/5464/files/domino_s_pizza_menu_card_with_price.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6958/8124/files/cisa_review_manual_2016_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20659662050.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8027/8426/files/62451085688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8440/6181/files/illumination_formula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/oscilloscope_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6599/7472/files/58094118989.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_off00007d01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D01 | 5344 bytes |
SHA-256: 700d3fe146f56b48cae69953c8a743a153625b6a3f2d922cd4dfa78101c9b9f9 |
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font_01_sfnt_off00008f26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F26 | 10396 bytes |
SHA-256: 7643d81ebf77fb5ff57d11b93c58987da60124b66f8929876947c88cf07a8be5 |
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font_02_sfnt_off0000b278.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB278 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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