MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=tutorial+in+introductory+physics+pdf'. Additionally, it features a PDF link farm heuristic, indicating a large number of embedded links, with the first being 'https://cdn.shopify.com/s/files/1/0431/2009/9488/files/ford_1720_manual.pdf'. The document body, though heavily obfuscated, contains the same URL as the malicious redirector, reinforcing the lure. No scripts were extracted, but the presence of malicious links suggests a phishing or redirection attack.
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=tutorial+in+introductory+physics+pdf In PDF document text
- http://xojel.menomoniesaddleclub.org/uploads/1/3/1/4/131438759/c8e49bf10b0a3.pdfIn PDF document text
- http://files.indianabln.org/uploads/1/3/0/9/130969304/989691.pdfIn PDF document text
- http://files.digitalmediaforlearning.org/uploads/1/3/1/4/131406173/rebokurudujulasif.pdfIn PDF document text
- http://files.florencefoplodge210.com/uploads/1/3/0/7/130739783/7168389.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/1/0431/2009/9488/files/ford_1720_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5288/3352/files/47268150470.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2191/0687/files/gikik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1891/0870/files/37745248854.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/18190714782.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5919/1712/files/51672797393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2502/2621/files/12675761448.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4093/9933/files/21970029662.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5366/1864/files/nosilatibugujago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7369/1045/files/hunter_bis_classic_wow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4096/4759/files/3806983894.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8553/6161/files/98501701237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5737/3589/files/45846531661.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7824/5781/files/best_gameboy_advance_emulator.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006480.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6480 | 5296 bytes |
SHA-256: 3151f228a07f91212ed77371fa5ac14113a078314fd9deba68f2b533f850374e |
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font_01_sfnt_off00007684.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7684 | 12324 bytes |
SHA-256: dbb4d7055fbdba4aeaad7f3e374281385d52c7fda823471ab73d314247646622 |
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