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, specifically pointing to 'https://ttraff.ru/wb?keyword=how%20to%20delete%20page%20in%20pdf%20adobe%20reader%209'. This URL is presented within the document body, disguised as a search query related to PDF manipulation. The presence of numerous other links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to drive traffic to malicious sites. 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/wb?keyword=how%20to%20delete%20page%20in%20pdf%20adobe%20reader%209
- http://files.poppyavenueboutique.com/uploads/1/3/2/7/132740414/acd23c8057d.pdf
- https://cdn.shopify.com/s/files/1/0435/9438/3522/files/barmer_patrika_today_download.pdf
- https://cdn.shopify.com/s/files/1/0431/0332/2269/files/rhetorical_analysis_essay_example.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/82677884273.pdf
- https://cdn.shopify.com/s/files/1/0433/5455/4533/files/33432223852.pdf
- https://cdn.shopify.com/s/files/1/0430/8670/8893/files/petewon.pdf
- https://cdn.shopify.com/s/files/1/0429/6923/5619/files/pasar_de_a_word_gratis_y_rapido.pdf
- https://cdn.shopify.com/s/files/1/0435/3189/4944/files/pelunesezobojiburomudakak.pdf
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/19520798276.pdf
- https://cdn.shopify.com/s/files/1/0433/0569/7438/files/12326345861.pdf
- https://cdn.shopify.com/s/files/1/0433/6245/1611/files/watch_47_ronan.pdf
- https://cdn.shopify.com/s/files/1/0431/5496/4629/files/kufazavalivasonurugi.pdf
- https://cdn.shopify.com/s/files/1/0427/6423/9014/files/math_algebra_worksheets.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_off00005f67.bind1adbb7774bac5f961b35fc499b2a1fc900455a1995c2c67df521b1e988ed5f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F67 | 5380 bytes |
font_01_sfnt_off000071cf.bin70e9d06ace723eb04493324e617a7ebcdad33cbe3b8e95f4f7654af728cbed67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71CF | 11840 bytes |
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