MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to 'concave and convex lens pdf'. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a link to known malicious infrastructure, specifically 'https://ttraff.cc/pify?keyword=concave+and+convex+lens+pdf'. This indicates an attempt to redirect the user to a malicious site.
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.cc/pify?keyword=concave+and+convex+lens+pdf In PDF document text
- http://files.ellenjewett.com/uploads/1/3/1/3/131382808/jebojuxuj-golatukemelome-pegox.pdfIn PDF document text
- http://dabunun.pittsburghcatchwrestling.com/uploads/1/3/1/4/131483027/supizuduzaleg.pdfIn PDF document text
- http://dozafevew.bwmodular.org/uploads/1/3/1/4/131453215/1679400.pdfIn PDF document text
- http://files.harrisendofthetrailranch.com/uploads/1/3/1/4/131408738/julaziw-beturinis-pajolosedexi.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/1/0428/9835/8432/files/4077026649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2161/5775/files/gunozebamigopud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9323/7665/files/54858028346.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8362/7686/files/xixafijute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2962/4992/files/85870189102.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4094/5829/files/5755376355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2651/4077/files/84941063367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/2777/9999/files/yamaha_rx-_v673_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5198/3772/files/85941493404.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6444/9437/files/6825627676.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7042/7031/files/callan_method_stage_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44994208471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9386/9223/files/ccna_routing_labs.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d173.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD173 | 4864 bytes |
SHA-256: 92d2253e74db01ba982a53e041d74282ab8270106538b72a48b96bca79207668 |
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font_01_sfnt_off0000e213.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE213 | 10924 bytes |
SHA-256: c140fafec61acf57ad11f2da573d1168d4b17c687905bfb8a8f7ad88c24cfea6 |
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font_02_sfnt_off0001079b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1079B | 16108 bytes |
SHA-256: 802ebd315cc15f308dc2a4e391e99d24a085372701f8bc593186b849b234c1ab |
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font_03_sfnt_off00011c57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C57 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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