MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL for the redirector and several other PDF links, suggesting a link farm or redirection attempt. No scripts were extracted from this sample.
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=formal+languages+and+automata+theory+definition In PDF document text
- http://luvoge.simplysugarplumbakery.com/uploads/1/3/0/8/130814328/5483468.pdfIn PDF document text
- http://files.topskiresorts.eu/uploads/1/3/1/3/131398547/veberavok.pdfIn PDF document text
- http://texalela.work2gether.space/uploads/1/3/1/4/131437119/be32551a7f345.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/1/0432/8269/4312/files/complete_callanetics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5824/9376/files/tekuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2030/4034/files/braderie_lille_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/95957410917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8576/6561/files/16358361346.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7278/2489/files/bejukevalozimewedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8118/8003/files/5956096058.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rokagarunawawutasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5395/6758/files/rosetta_stone_bit_torrent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7658/2560/files/rozedirur.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_off00004c3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C3A | 5260 bytes |
SHA-256: 9140e54458cc8dc41807227b12ee15d37a3290d40d65f27e0fb7896b32a334de |
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font_01_sfnt_off00005ded.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DED | 10048 bytes |
SHA-256: 18be6573418b361d7ab49d2a9226874f33685e5ddc20d1296e35b7287c58d39c |
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font_02_sfnt_off00008047.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8047 | 16236 bytes |
SHA-256: d0060e0062ef2111779b986d89630df19a0ed8d9c38ac2f2ee149639c3f2e4f8 |
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font_03_sfnt_off000095b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95B2 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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