MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=someone+noone+anyone+exercises+pdf', which is flagged as malicious. Additionally, a large number of links to Shopify-hosted PDFs were found, suggesting a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=someone+noone+anyone+exercises+pdf In PDF document text
- http://files.crowsnestpassmusicfestival.com/uploads/1/3/0/7/130775677/2e4c62.pdfIn PDF document text
- http://ruvive.sagehillstables.com/uploads/1/3/1/0/131070420/nopesugikugiwam.pdfIn PDF document text
- http://gunigijot.olivetreedoc.com/uploads/1/3/1/4/131454012/332587.pdfIn PDF document text
- http://kukab.yellowstonegrizzlyproject.org/uploads/1/3/2/6/132681670/7163109.pdfIn PDF document text
- http://files.taiwancarparts.com/uploads/1/3/2/6/132695325/zenovosisulematoti.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/1/0433/2843/8440/files/microsoft_access_2020_bangla_tutorial_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5763/5735/files/66435556864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1921/4756/files/9570176598.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5276/0224/files/23521727897.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7447/7464/files/wuderejodaxerabiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7257/7946/files/debovepenajiwesubeme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4697/7179/files/laxesurefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3911/3895/files/83405554118.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0133/1360/files/nepuwoxozeriwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4939/4080/files/62521062679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1290/5370/files/minecraft_heli_mods.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5651/2676/files/superlative_adjectives_exercises_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1569/1678/files/fugasuvilusugomuwejegamu.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_off00005734.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5734 | 5544 bytes |
SHA-256: 3dc40834fbb5c785a35b1233c4768751e8c1e3342506aa85d94ca7584ea67d53 |
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font_01_sfnt_off00006a08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A08 | 10228 bytes |
SHA-256: 91d9265d31ab35ab9aa03893166fdf7ba4ee2fb6f353e4bb6133ac745e1878a0 |
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