MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and heuristics indicate it contains a large number of external links, forming a link farm. One of these links, 'https://ttraff.ru/pify?keyword=wheelock%2527+s+latin+pdf', points to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to lure users to malicious sites.
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=wheelock%2527+s+latin+pdf
- http://files.feipol.us/uploads/1/3/1/4/131453432/7ed1646abdafe1.pdf
- http://files.milothaimassage.com/uploads/1/3/1/4/131406781/7613334.pdf
- http://files.travellifegoal.com/uploads/1/3/1/3/131379980/zidowuxar_zawabibaxupugen_polujirajesixas_mixurij.pdf
- https://cdn.shopify.com/s/files/1/0440/9799/4904/files/sijolokobetutiwitorigotit.pdf
- https://cdn.shopify.com/s/files/1/0434/8064/5782/files/77661567567.pdf
- https://cdn.shopify.com/s/files/1/0440/6326/0822/files/ferixufo.pdf
- https://cdn.shopify.com/s/files/1/0433/2650/5118/files/vapatutofemedevus.pdf
- https://cdn.shopify.com/s/files/1/0437/6032/0663/files/powetizawaxux.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62092070186.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29883534071.pdf
- https://cdn.shopify.com/s/files/1/0427/9736/7452/files/76008797542.pdf
- https://cdn.shopify.com/s/files/1/0434/7772/9432/files/pinabefevamapixomosa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15636630427.pdf
- https://cdn.shopify.com/s/files/1/0434/3136/2725/files/path_if_exile_fearless_cheat.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_off000068b6.bin75937c9235b9c139ce1d4605b19ff5416d80c6fcdb527bfc2bb8d2b90a53d885 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68B6 | 5260 bytes |
font_01_sfnt_off00007ab1.bine5540ca62bd05d6816fe5446f1baaceacb670ce488c5113f832eb1604ab56cbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AB1 | 10556 bytes |
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