MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.ru/pify`. This URL is used in conjunction with a lure related to 'Web of Science' citation reports, suggesting a phishing or scam attempt. The document also contains a large number of embedded links, many hosted on `cdn.shopify.com`, which is flagged as a PDF link farm. 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=web+of+science%25E2%2580%2593+incites+journal+citation+report
- http://mulik.ashcancomicspub.com/uploads/1/3/1/6/131606505/1860258.pdf
- http://zinoko.literacyinbalance.com/uploads/1/3/2/7/132741389/e32f0c1e4c7d6.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kiragin.pdf
- https://cdn.shopify.com/s/files/1/0434/6901/3158/files/rozusit.pdf
- https://cdn.shopify.com/s/files/1/0430/6334/5301/files/husqvarna_hu700f_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39858795743.pdf
- https://cdn.shopify.com/s/files/1/0431/6338/6016/files/sijozixarutozubibezete.pdf
- https://cdn.shopify.com/s/files/1/0431/4903/3627/files/entergy_arkansas_outage_reporting.pdf
- https://cdn.shopify.com/s/files/1/0437/9839/7085/files/vevirunorofemuzabavituros.pdf
- https://cdn.shopify.com/s/files/1/0434/0678/6725/files/spider_gwen_comic_1.pdf
- https://cdn.shopify.com/s/files/1/0437/2889/6161/files/crossword_answer_for_midday_repast.pdf
- https://cdn.shopify.com/s/files/1/0431/9812/0094/files/59141854179.pdf
- https://cdn.shopify.com/s/files/1/0432/2020/5726/files/60606730386.pdf
- https://cdn.shopify.com/s/files/1/0431/8052/3678/files/95997237892.pdf
- https://cdn.shopify.com/s/files/1/0432/0998/2107/files/jomiwafosokodow.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_off000064b5.bin7d23ea7745d4fa68af059472fd3ac05bb161b49302870ad271418d879334d6ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B5 | 5272 bytes |
font_01_sfnt_off000076be.bin2c7d4f05acba84b51964bdf1056d4ae7cf43543571e4c4c668b8982f294b197b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76BE | 10316 bytes |
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