MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector pointing to 'https://ttraff.com/pify?keyword=iicrc+s520+pdf+free+download'. The document body, though heavily obfuscated, contains text related to 'iicrc s520 pdf free download', suggesting a lure to entice users to click the malicious link. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy to improve search engine visibility for the 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.com/pify?keyword=iicrc+s520+pdf+free+download In PDF document text
- http://files.stifftstationgifts.com/uploads/1/3/2/3/132302928/megesotagukopo-wezikagonakok-figona-rixovapumuret.pdfIn PDF document text
- http://bedabi.believenufitness.com/uploads/1/3/1/0/131071157/fapazaxur-wabujuvi.pdfIn PDF document text
- http://files.spjgt.com/uploads/1/3/1/4/131438055/8338106.pdfIn PDF document text
- http://files.britttanya.com/uploads/1/3/1/4/131437834/2a96d7c0d4636.pdfIn PDF document text
- http://files.crsurfzone.com/uploads/1/3/1/3/131383602/kominizufeb_rowamoreje.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/1/0437/4613/2129/files/tamononiwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0323/9840/files/minimalismo_livro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1526/6713/files/3835864190.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2005/0855/files/tezanat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8750/4294/files/11601406102.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0564/8807/files/63605293640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2862/6080/files/milomi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2103/1832/files/nowok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/miveguxuxububepevomozit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1267/0111/files/kayla_itsines_diet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8856/6677/files/aam_registration_notifier.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/parisibudipaxetiwori.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4829/6863/files/gepuxudud.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_off00007016.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7016 | 5576 bytes |
SHA-256: 48c9fd3ee581e155b8a26f64d9e7baccf620db0bda9f4c2ecf60ef0ff8959e61 |
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font_01_sfnt_off00008341.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8341 | 10492 bytes |
SHA-256: d0bac2a4e38e0204d96b36c3745e379f6c5896cd28dccb9224fed372d6c159b8 |
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