MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains a malicious redirector link and a large number of external PDF links, suggesting a link farm or redirection attempt. The presence of a 'download button' heuristic further supports the lure of clicking a link. The primary malicious URL identified is https://ttraff.cc/wb?keyword=roller%20conveyor%20design%20manual, which is likely used to redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/wb?keyword=roller%20conveyor%20design%20manual In PDF document text
- http://files.theskinthatburns.com/uploads/1/3/1/1/131164534/f66e7e2f6bf.pdfIn PDF document text
- http://files.debbieandriullidesigns.com/uploads/1/3/0/7/130775840/videvorosogas_patomosa_xerusovi_dugadoxa.pdfIn PDF document text
- http://files.rmhsperformingarts.com/uploads/1/3/1/6/131607374/jodalomi_jixelobi.pdfIn PDF document text
- http://fepadosel.idahohorsecouncil.com/uploads/1/3/1/4/131406709/7691794.pdfIn PDF document text
- http://files.unitedinstitutions.org/uploads/1/3/0/9/130969791/pulekuri.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/1/0437/8217/6917/files/55963886142.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3501/7895/files/32101205689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6758/0322/files/kobudodakusa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0702/5060/files/84675857118.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wakorijupomimenupe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7084/9181/files/95201173504.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6113/2962/files/vejudebitatiwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8059/8172/files/poveragudasunatu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2760/3354/files/osrs_tzhaar_ket.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2728/1558/files/bopukugepipa.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_off000094d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94D8 | 2828 bytes |
SHA-256: 85b692c1c636aed9ab1240d2a7361179fdd6c0849396a06064984f922e967b4f |
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font_01_sfnt_off00009ed2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9ED2 | 5428 bytes |
SHA-256: 695ac599d24f0bde8b03581fd386d0292529dbc62b34e2d7afda4e163013c1e4 |
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font_02_sfnt_off0000b13b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB13B | 9792 bytes |
SHA-256: 7132a2b9d4ec981e70ddb8b352d23925d0804f2964e494b51f0d395f1caad01f |
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