MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=materials+characterization+techniques+zhang+pdf', which is flagged as a malicious redirector. This suggests the document is designed to trick users into clicking the link, likely leading to further malicious content or malware download.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=materials+characterization+techniques+zhang+pdf In PDF document text
- http://kilixolaw.movingintobalance.co.uk/uploads/1/3/1/0/131070161/gajedujuragijiv.pdfIn PDF document text
- http://files.sayit.shop/uploads/1/3/1/4/131437474/5ccdcbd96.pdfIn PDF document text
- http://files.mindbodyconnectionmassagepilates.com/uploads/1/3/1/4/131407263/kulaluvipim-budob-tixup-pugepo.pdfIn PDF document text
- http://files.brushlove.ca/uploads/1/3/0/7/130775607/9aebbc.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/1/0440/1774/6070/files/5996052510.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4929/4756/files/56292242766.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9478/5694/files/6771919396.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1829/6232/files/86336692432.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7759/1449/files/pamupedefujejixewaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8670/8893/files/powiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9161/6153/files/dukinerom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2341/6987/files/nitosiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9437/5576/files/warowurubewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6043/6887/files/migeju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1137/9097/files/cedaw_myanmar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9861/0589/files/popunegemajomamifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7264/3491/files/tatifitabikimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2970/7422/files/veven.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_off00004faf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FAF | 5600 bytes |
SHA-256: 6d6ad1fa05d0f62aad455208a200d4b2fa9922262c8d39694b5e356e8a9cee8d |
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font_01_sfnt_off000062c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62C4 | 9580 bytes |
SHA-256: 995579148da16615f0bc0cf42f8fe759e6aa17fe1ca0dc313131e81c6dd28a2e |
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