MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains heuristics indicating it links to known malicious redirector infrastructure and functions as a link farm. The embedded URL 'https://ttraff.ru/pify?keyword=beam+column+base+plate+design+lrfd+method.+pdf' is flagged as malicious. The document body, though heavily obfuscated, contains this URL, suggesting the PDF's primary purpose is to redirect users to malicious content.
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=beam+column+base+plate+design+lrfd+method.+pdf In PDF document text
- http://files.maijaranka.com/uploads/1/3/1/4/131437615/robaji_lazuro.pdfIn PDF document text
- http://xirepew.designauthentic.com/uploads/1/3/0/7/130738837/6791755.pdfIn PDF document text
- http://files.mackeiganmarketing.com/uploads/1/3/1/4/131452732/sodopafesub.pdfIn PDF document text
- http://files.elainepolishak.com/uploads/1/3/1/8/131857419/gavov.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/1/0428/9835/8432/files/51108684678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9309/0714/files/22379642489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2917/6232/files/20531283661.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pekuxiwitijumowiviw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9282/8579/files/jibojajikeravi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7667/2918/files/muxiwurawereredotesutuxid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8857/6661/files/lolawenogejupan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5170/3706/files/bapid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78682713185.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90262961418.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70339383958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1911/2345/files/power_electronics_projects.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000abb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABB9 | 5788 bytes |
SHA-256: 7a986cc67e6e535b2cde3b01a0100c929a5cf1c80531f7908e25bb16b6559777 |
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font_01_sfnt_off0000bf04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF04 | 6220 bytes |
SHA-256: 6545e4e2910701c4535c7debf99b27f9c64b330e5d9e1111502d0386d503ed81 |
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font_02_sfnt_off0000ce1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE1A | 11600 bytes |
SHA-256: fc50d7857aec140abaedfc7fb5f9f4fd8ddc298a255851e55eb991d1fc222c15 |
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font_03_sfnt_off0000f559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF559 | 16656 bytes |
SHA-256: 55c8669b4502471142deed13cefc928437432b977e29e2bbc035fe747ccacbeb |
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