MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) that appears to be part of a link farm designed to lure users with free download lures. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector link confirms the intent to lead users to potentially harmful content. The document body, though heavily obfuscated, contains the malicious redirector URL.
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=atmosfearfx+zombie+invasion+free In PDF document text
- http://files.lisaspykers.com/uploads/1/3/1/4/131408027/5927737.pdfIn PDF document text
- http://malejilu.vanessakeel.com/uploads/1/3/0/7/130739885/rikotemuv_sixikusuno.pdfIn PDF document text
- http://lelutuj.ahmedal-azzawi.net/uploads/1/3/1/4/131482975/bikefenatufel.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/1/0435/7029/9048/files/kimosaboluwulutevowu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5227/6632/files/aesculus_flava_fact_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2127/9138/files/31938570888.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7176/5664/files/4th_industrial_revolution.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6706/1925/files/tozudedajus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7692/7134/files/alkyd_resin_handbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2911/8627/files/90311457671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9886/3771/files/charge_of_the_light_brigade_poem_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/1849/0780/files/pubusezepojegetozojepam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7396/1110/files/final_fantasy_tactics_strategy_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4068/3685/files/nys_power_of_attorney_form_2016.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5492 | 5996 bytes |
SHA-256: 3f298fea094f0b2a415693dabe7fc7d1828a2db7651b93bd00c6d8eb01e42a24 |
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font_01_sfnt_off000068da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68DA | 4976 bytes |
SHA-256: 94f0d4fbff06f25c0789305d79923c1e3b8eb33e3bbd79a28854dd638f3a38f4 |
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font_02_sfnt_off000079b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79B6 | 14076 bytes |
SHA-256: 4200e54ddde86cf7a7f5e10644c53872906d0bbe085affda9682f9dfd4378a17 |
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font_03_sfnt_off0000a5ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5EF | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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