MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a critical heuristic firing for a malicious redirector link. The document body, though heavily obfuscated, contains the primary malicious URL. The presence of a link farm heuristic suggests an attempt to disguise malicious activity within a large number of links, potentially for SEO manipulation or to hide malicious links among benign ones.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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/wix?keyword=chowking+lauriat+%25E0%25B8%25AA%25E0%25B8%25B9%25E0%25B8%2595%25E0%25B8%25A3 In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8411/8171/files/daffynition_decoder_algebra_with_pizzazz_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/5338/3581/files/guacamelee_skin_pack_trophy_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1757/6354/files/forever_living_aloe_gel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86372263330.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_20cc7e4667424dc59be3dfd229417251.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_95420d694e0a40de886ba18e1d17b003.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_f6b15135841943f7adcf568fb7d4e042.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a2d007_c1f897befd244cbdb1dab6ee73db223e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6154/2045/files/fatamejalibasuvako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6912/9372/files/bayesian_probability_theory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/51194308683.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_e75fb7ffeecc407a85592424d02bffef.pdfIn PDF document text
- https://static.usrfiles.com/ugd/3aee12_2c9ff7b067b14864b9cc10946454f7ae.pdfIn PDF document text
- https://static.usrfiles.com/ugd/07625c_cdcf6579314840349264e164614501aa.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004728.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4728 | 4832 bytes |
SHA-256: 3ca8785dcdd73f8c5f12fb201f10fdc3b703cbb083e99019e9fa3e0d77b1ad21 |
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font_01_sfnt_off00005797.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5797 | 6604 bytes |
SHA-256: d3ac8be9c5ab84e1837ccba55ec41e54e10f6aab8cb3208a6e84241790a288a2 |
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font_02_sfnt_off000068d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68D5 | 7728 bytes |
SHA-256: 3e1922c96494e667c0b4740bfd946b8c10b498e2106f7f320c16f045d7771520 |
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font_03_sfnt_off00007e3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E3B | 9912 bytes |
SHA-256: 9718527194ab1777189b9bf6a3d05bc3bce436bad18eb54c5f76ebff65ed0302 |
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font_04_sfnt_off0000a06e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA06E | 16616 bytes |
SHA-256: 7ab81ce3d92a9ec80982bbbf7df4378fdf9290867a146be245f32411f9d17586 |
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