MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
This PDF file contains multiple embedded links, with a critical heuristic firing indicating it redirects to known malicious infrastructure via 'ttraff.com'. The document body, though heavily obfuscated, appears to be related to academic templates, suggesting a lure. The presence of numerous external PDF links, many hosted on 'cdn.shopify.com', further supports the link farm heuristic. The ML classifier strongly flagged this PDF as malicious.
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.com/pify?keyword=geophysical+research+letters+latex+template In PDF document text
- http://files.detroitlakesucc.org/uploads/1/3/1/4/131438282/setoka.pdfIn PDF document text
- http://files.billiedepatiedesigns.com/uploads/1/3/0/9/130969776/fumaluzavuxigetinav.pdfIn PDF document text
- http://files.stringalongridgecrest.com/uploads/1/3/1/6/131637723/646cf302bb23.pdfIn PDF document text
- http://files.chenangobluesfest.org/uploads/1/3/1/3/131384777/memexedipeben.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/1/0436/4202/8190/files/60462921155.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5638/9528/files/28661000490.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/puneberun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1089/1680/files/2655703823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2231/0811/files/67552875812.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4950/8246/files/97957258002.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2859/4336/files/winutazuxajim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0944/1953/files/61357183321.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/59763898251.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6335/3250/files/mofegugufopolulilonev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7749/3146/files/gijerasokuwexuwusinubogaz.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_off0000872b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x872B | 5056 bytes |
SHA-256: f5ee4ebcaddb4683e3539ae1ba37542ac45804c2f9e3e7a516fe3c05f248ef48 |
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font_01_sfnt_off00009863.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9863 | 14216 bytes |
SHA-256: 41e98b51f8c4614c0704b53e8e5f7336e19b5845899c718f1368f347d0b06295 |
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font_02_sfnt_off0000c4b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4B4 | 16084 bytes |
SHA-256: 6bc3c0a07cf69e32b7b44c2bd5cb36414567d6079e008e5b6982b4757f28630b |
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