MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, including one pointing to a known malicious redirector at `ttraff.ru`. The document body, though heavily obfuscated, contains text related to a 'Bosch serie 4 washing machine manual', suggesting a lure to trick users into clicking the malicious link. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to improve SEO for the malicious redirector.
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=bosch+serie+4+washing+machine+manual
- http://files.jasonfalconer.com/uploads/1/3/0/7/130775554/jabifege.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dagezaluvonanapukinuwit.pdf
- https://cdn.shopify.com/s/files/1/0429/4914/8828/files/jasinajazunorujepini.pdf
- https://cdn.shopify.com/s/files/1/0428/4802/6780/files/70656438591.pdf
- https://cdn.shopify.com/s/files/1/0434/1828/8277/files/sipatopazasezaregikudujo.pdf
- https://cdn.shopify.com/s/files/1/0433/6248/4383/files/cbse_sample_papers_for_class_10_2020_download_byju_s.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nagexonulelaxefirulilona.pdf
- https://cdn.shopify.com/s/files/1/0430/5820/0725/files/meaning_of_probability_sampling.pdf
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/77541574148.pdf
- https://cdn.shopify.com/s/files/1/0437/7886/7354/files/47252679567.pdf
- https://cdn.shopify.com/s/files/1/0435/8812/4829/files/93377040757.pdf
- https://cdn.shopify.com/s/files/1/0436/8711/6965/files/ricardo_munoz_cbt_manual.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_off000067b4.bine13ecdff2bc1d1e1e70318ad65ab7087745f026f16d3a25e6274249a8c5eba90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B4 | 5444 bytes |
font_01_sfnt_off00007a1e.bin2dd9c383088de1272b6703b3b4ca8000dbb926b22aac0a4d81bdfbb5a0e6f9b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A1E | 10580 bytes |
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