MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, a technique often used for SEO poisoning or to obscure malicious destinations. One critical heuristic identified a direct link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=tower+200+exercise+chart+pdf'. The ML classifier also strongly indicated maliciousness. The document body itself is heavily obfuscated but contains the same URLs, suggesting a deliberate attempt to lure users through a link farm.
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=tower+200+exercise+chart+pdf
- http://files.biljohnson.com/uploads/1/3/0/7/130776573/bc530752e32d3.pdf
- http://files.mooliday.com/uploads/1/3/0/8/130814126/5259641.pdf
- http://files.sirfa.co.uk/uploads/1/3/2/7/132741382/a7e79c9.pdf
- https://cdn.shopify.com/s/files/1/0432/8351/3499/files/vodawusowe.pdf
- https://cdn.shopify.com/s/files/1/0438/5511/8501/files/masukor.pdf
- https://cdn.shopify.com/s/files/1/0434/6901/3157/files/70225551694.pdf
- https://cdn.shopify.com/s/files/1/0433/6379/5096/files/20440893581.pdf
- https://cdn.shopify.com/s/files/1/0433/2240/9125/files/xifip.pdf
- https://cdn.shopify.com/s/files/1/0430/2451/5229/files/kufuguvidukizilusa.pdf
- https://cdn.shopify.com/s/files/1/0438/9978/1275/files/kunalamifi.pdf
- https://cdn.shopify.com/s/files/1/0433/7526/3909/files/pevesokirokameken.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/the_ed_miracle_ingredients.pdf
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/rubaxizaxitijerebif.pdf
- https://cdn.shopify.com/s/files/1/0437/1762/3957/files/24122299216.pdf
- https://cdn.shopify.com/s/files/1/0438/0088/7457/files/94122121050.pdf
- https://cdn.shopify.com/s/files/1/0429/4275/9071/files/vipirulumumo.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_off000057a9.bin5f555a4c9e47878443124e0370574e15065a14dcd9a6737d565e963f8f682b42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57A9 | 5596 bytes |
font_01_sfnt_off00006ac0.binf8b3950523d18a17a4a8a5a6af390839044a2cf6e6cc11d3b40c9d792b5249fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AC0 | 9952 bytes |
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