MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, including a critical redirector link to 'ttraff.ru', suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains text related to a textbook download, reinforcing the lure. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=burket+s+oral+medicine+10th+edition+pdf+free+download
- http://files.trilliumwildedibles.com/uploads/1/3/1/3/131380759/pugotefagewa.pdf
- http://files.maxeyshouse.com/uploads/1/3/2/6/132681713/9099627.pdf
- http://files.martagonzalezaregall.com/uploads/1/3/1/3/131378899/vitofuxe.pdf
- http://files.havenswood.org/uploads/1/3/0/7/130739173/b0a89a15702.pdf
- http://files.ottawarotarycalendar.com/uploads/1/3/0/8/130874582/wiwisugi_jolepasuxexojiv.pdf
- http://files.martagonzalezaregall.com/uploads/1/3/1/3/131378899/
- https://cdn.shopify.com/s/files/1/0428/3134/7868/files/tinegonamimunuzi.pdf
- https://cdn.shopify.com/s/files/1/0432/3885/0724/files/mobesijedavogenixi.pdf
- https://cdn.shopify.com/s/files/1/0437/2201/4871/files/xatuxubusagitosajudeb.pdf
- https://cdn.shopify.com/s/files/1/0438/6878/2757/files/23645740131.pdf
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/53823963105.pdf
- https://cdn.shopify.com/s/files/1/0432/4291/3955/files/nufedapa.pdf
- https://cdn.shopify.com/s/files/1/0437/8581/4173/files/gejonurijudu.pdf
- https://cdn.shopify.com/s/files/1/0430/8366/1461/files/jolatuwexesigozuwi.pdf
- https://cdn.shopify.com/s/files/1/0437/4586/9985/files/47836643264.pdf
- https://cdn.shopify.com/s/files/1/0429/4000/6559/files/lejenogazatovesuzi.pdf
- https://cdn.shopify.com/s/files/1/0432/9432/6949/files/jazixukejiluvupusasu.pdf
- https://cdn.shopify.com/s/files/1/0433/5537/3720/files/41961769489.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_off0000582d.bina86b3170719ab1f3d32379c281f7ca857b56488ae5507189b761833d84ecbc26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x582D | 5676 bytes |
font_01_sfnt_off00006b69.bin026a1884dd098f27c8f4f775af031cef83ed8092ed8ba31e0b241173fe6a0e46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B69 | 9816 bytes |
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