MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links, including one to a redirector URL (https://ttraff.cc/pify?keyword=probability+theory+and+random+processes+by+p+ramesh+babu+pdf) that is flagged as malicious. The document appears to be an SEO link farm designed to lure users with a fake download, likely leading to a phishing or malware distribution site. The ML classifier also strongly indicated maliciousness.
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=probability+theory+and+random+processes+by+p+ramesh+babu+pdf In PDF document text
- http://files.bleedingheartsbotanicals.com/uploads/1/3/0/7/130775221/2089274.pdfIn PDF document text
- http://files.pennybrumbaugh.info/uploads/1/3/0/9/130970009/4fd0b227283.pdfIn PDF document text
- http://files.lincolnmain.com/uploads/1/3/0/7/130775405/d629e40e65.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/rexovilofogej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3826/8827/files/rewiviz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/39777337374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6499/9588/files/deep_thoughts_by_jack_handy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4485/4165/files/nupaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6512/0670/files/catia_v5_part_assembly_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0854/6200/files/how_to_update_nexus_7_to_marshmallow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4481/2438/files/tokajekow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9394/0641/files/gukiwusat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1645/2258/files/61062583224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4431/4011/files/documentation_of_clinical_pharmacy_services.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1537/1932/files/24542111432.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7423/9129/files/sonabijiluziganob.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000046a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46A5 | 5640 bytes |
SHA-256: d533e06af1602db69bac58f97f210350063bba05010a237766e5668983530cb0 |
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font_01_sfnt_off000059a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59A0 | 9608 bytes |
SHA-256: 191194976aaeb83cd94aa395454c399f5984cb3bdc420872e9f4b1ed031ca362 |
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font_02_sfnt_off00007a9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A9E | 16164 bytes |
SHA-256: 6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3 |
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