MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, suggests a lure for downloading a PDF, aligning with the PDF_SEO_LINK_FARM heuristic which indicates a link farm designed to attract search engine traffic. The SE_DOWNLOAD_BUTTON heuristic further supports the lure tactic.
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/pify?keyword=english+speaking+in+marathi+pdf+download In PDF document text
- http://files.it-starts-here.com/uploads/1/3/1/4/131453194/pokolobi-bolixivadebil-pobotesizaxi-sotazivopi.pdfIn PDF document text
- http://files.rockymountainadventureseries.com/uploads/1/3/1/4/131437615/9632802.pdfIn PDF document text
- http://files.yfcwolves.com/uploads/1/3/2/6/132683267/rokede-rijotetosika.pdfIn PDF document text
- http://files.ruthbeachink.com/uploads/1/3/1/6/131606492/selaxa-kesur-naligevi-mojewogufid.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8039/1583/files/zerukasewo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6993/1671/files/70081472555.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7038/2490/files/59363119809.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8039/8486/files/goburuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1851/8681/files/27690174818.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6720/9893/files/jubasaledif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/jumupoturutivuxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2590/7368/files/35255020194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3210/1543/files/30206054278.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9088/6299/files/suzamonobuxagugopixig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9054/2743/files/savagapuzoxulujuk.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_off00007d7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D7E | 5356 bytes |
SHA-256: 4b4ca8e88be6ae004b20a6dc7e0a9ff28ddf78478d523c9befa59cc72701913a |
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font_01_sfnt_off00008f96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F96 | 10544 bytes |
SHA-256: ce8176f0423b26e8cb897ab0e7e5221a8213fd20b5cd14ac9e573b97068577f7 |
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font_02_sfnt_off0000b3e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3E0 | 16060 bytes |
SHA-256: d8a1a34de14a7b8fce5e51635835121d353d188f9ac9ce1e11538509fd4c5cdc |
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font_03_sfnt_off0000c8b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8B4 | 4028 bytes |
SHA-256: e83c1dccab69d7f71f2f792575b8facba2d9987ffe48f230e8191163702bb453 |
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