MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, forming a link farm. One of the primary links, 'https://ttraff.cc/pify?keyword=atherosclerosis+biochemistry+pdf', is identified as a malicious redirector. This suggests the document is designed to lure users into clicking through a chain of links, ultimately leading to malicious content or further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=atherosclerosis+biochemistry+pdf
- http://files.franciscanyon.com/uploads/1/3/2/6/132681448/sigokuto_nofivapon_buviwufipiru_fowizemebuwod.pdf
- http://files.brokenchainsbm.org/uploads/1/3/0/7/130739651/abbe66a.pdf
- http://katuletoj.liattorney.com/uploads/1/3/0/7/130775162/zopugapovelubun.pdf
- http://pitife.christopherbelser.com/uploads/1/3/1/3/131380213/3060220.pdf
- https://cdn.shopify.com/s/files/1/0429/5681/6540/files/93384900563.pdf
- https://cdn.shopify.com/s/files/1/0440/5038/2998/files/wumitenegeletokedi.pdf
- https://cdn.shopify.com/s/files/1/0437/0379/5877/files/tunamex.pdf
- https://cdn.shopify.com/s/files/1/0430/1216/1685/files/ntn_ball_bearing_size_chart.pdf
- https://cdn.shopify.com/s/files/1/0431/6325/4944/files/78190095543.pdf
- https://cdn.shopify.com/s/files/1/0429/1916/6119/files/86847305415.pdf
- https://cdn.shopify.com/s/files/1/0436/0817/8850/files/why_does_february_have_28_days.pdf
- https://cdn.shopify.com/s/files/1/0437/6395/7909/files/lovopixax.pdf
- https://cdn.shopify.com/s/files/1/0434/2425/2055/files/zamunabiguniwuvenas.pdf
- https://cdn.shopify.com/s/files/1/0435/4444/5092/files/steve_ross_yoga.pdf
- https://cdn.shopify.com/s/files/1/0433/5307/9963/files/jixasiditotugaxutuvojid.pdf
- https://cdn.shopify.com/s/files/1/0430/7841/8583/files/wapujezi.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000718b.bindffe02e6d15156fd9df7389c8ee3a4c8519c8d980875a2dfd1afd47e31a890a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x718B | 5416 bytes |
font_01_sfnt_off000083d1.bind4e3df1c7a071ef16e2471abf7fe6c40a67fb891560d898fe17ca5d21b727056 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83D1 | 10324 bytes |
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