MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains text related to 'basic electrical engineering mittal pdf free download' and a URL pointing to a redirector. This suggests a social engineering lure to trick users into downloading further malicious content. 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.ru/pify?keyword=basic+electrical+engineering+mittal+pdf+free+download In PDF document text
- http://rotiridij.ttsvoronos.com/uploads/1/3/0/8/130814229/fizovosadozen-durugepi.pdfIn PDF document text
- http://files.mtmv.net/uploads/1/3/1/4/131453464/4537007.pdfIn PDF document text
- http://files.efccc.net/uploads/1/3/1/0/131070313/luxawapofomu.pdfIn PDF document text
- http://files.hisaxfnd.org/uploads/1/3/1/4/131453494/zupavivulitinuxavi.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
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8640/4000/files/el_neoliberalismo_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8492/3555/files/nevobirosazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8628/9832/files/tuwujuzetutoxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19836568605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6956/3290/files/tewasusudexobeze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5040/1943/files/96859420194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1583/0695/files/beethoven_piano_sonata_14.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1514/2567/files/moonlighter_golem_volume.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7176/6677/files/82979995429.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0193/6033/files/99990425709.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6412/1752/files/tuxazido.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 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006600.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6600 | 5404 bytes |
SHA-256: 7b8c2da2a1350c73595ec6cf2d81bbe4233ceadfddd109198d8fd1bcea305ce4 |
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font_01_sfnt_off00007844.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7844 | 2320 bytes |
SHA-256: d97e055e11de589539a249dfdf9c15aca1e9caf4700104d1763a3a5d87d8f7f2 |
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font_02_sfnt_off00008296.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8296 | 10012 bytes |
SHA-256: 0e83792c2a58342406eb419027950c70d9cb5a71e33fa268bd99e468e2c53f6c |
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font_03_sfnt_off0000a52b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA52B | 16224 bytes |
SHA-256: 207faf14306426b668b87aba0c9d447b8ba40b67f0f7b18660ffa0d3c8132265 |
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font_04_sfnt_off0000ba77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA77 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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font_05_sfnt_off0000c877.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC877 | 5184 bytes |
SHA-256: 29b55256169f4d55cc27294b8f42ab3d3b8acbe626f54fa3e4ac8b96927187bc |
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