MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous PDF files, with one primary link redirecting to malicious infrastructure. The ML classifier strongly indicated maliciousness. The primary malicious URL is https://ttraff.cc/pify?keyword=second+conditional+reading+comprehension+exercises+pdf, which is likely used to obscure the final destination and track clicks.
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.cc/pify?keyword=second+conditional+reading+comprehension+exercises+pdf
- http://files.artworkbyjohndacquisto.com/uploads/1/3/0/7/130776828/1609084.pdf
- http://files.eatonhousewhiskey.com/uploads/1/3/0/7/130740178/dcb6f2d50ecb27.pdf
- http://files.structuredevelopmentnw.com/uploads/1/3/1/1/131163920/8182421.pdf
- http://files.cityskyflooring.com/uploads/1/3/0/8/130813330/vesodarojepakimufar.pdf
- https://cdn.shopify.com/s/files/1/0431/4683/8173/files/spanish_verb_tenses_book.pdf
- https://cdn.shopify.com/s/files/1/0430/8549/6469/files/33526468817.pdf
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/81302298061.pdf
- https://cdn.shopify.com/s/files/1/0439/1780/3675/files/xopepomexuvejebux.pdf
- https://cdn.shopify.com/s/files/1/0428/0667/3574/files/luvolawezizemubeni.pdf
- https://cdn.shopify.com/s/files/1/0437/0215/7466/files/kodipevezuwakosonigivazu.pdf
- https://cdn.shopify.com/s/files/1/0435/2606/2239/files/toxekowugutakalodifep.pdf
- https://cdn.shopify.com/s/files/1/0434/4909/0200/files/berlin_marathon_course_map.pdf
- https://cdn.shopify.com/s/files/1/0437/4754/1146/files/xirulanomevejipavabunap.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_off00005bd8.bin67c3c474bd8a11e577ebb4ef55dfa602660a74ffdcc978e7a5bc5a7c72ba0182 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BD8 | 5740 bytes |
font_01_sfnt_off00006f3e.binbc55918750e548bbaba0ac9334580fa95390de61912c1c42dc7981a7a71e4807 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F3E | 10316 bytes |
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