MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a 'debt payoff calculator spreadsheet'. This link, https://ttraff.ru/pify?keyword=debt+payoff+calculator+spreadsheet, is hosted on known malicious infrastructure. The document body, though heavily obfuscated, also contains this URL, reinforcing the lure. The presence of numerous other PDF links suggests a link farm or SEO poisoning attempt to distribute the malicious content.
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=debt+payoff+calculator+spreadsheet
- http://gekogi.asimpleido.net/uploads/1/3/0/8/130874431/1963282.pdf
- http://kelepazok.chalkidiki-villas.com/uploads/1/3/0/8/130874376/9541746.pdf
- http://zodipuv.gardenclubofyarmouth.org/uploads/1/3/2/7/132710712/7638749.pdf
- http://files.derekleebarton.com/uploads/1/3/1/4/131453194/baloxo.pdf
- https://cdn.shopify.com/s/files/1/0430/7740/2778/files/75780218827.pdf
- https://cdn.shopify.com/s/files/1/0433/4610/0377/files/30808965988.pdf
- https://cdn.shopify.com/s/files/1/0438/2208/8354/files/pilolipidum.pdf
- https://cdn.shopify.com/s/files/1/0433/0133/9304/files/25068736114.pdf
- https://cdn.shopify.com/s/files/1/0435/5876/4696/files/definition_of_auditor.pdf
- https://cdn.shopify.com/s/files/1/0451/0472/6168/files/acknowledgement_of_receipt_form_template.pdf
- https://cdn.shopify.com/s/files/1/0430/1167/0179/files/algebra_2_final_exam.pdf
- https://cdn.shopify.com/s/files/1/0440/4638/5317/files/wedixudema.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/fojukoguga.pdf
- https://cdn.shopify.com/s/files/1/0432/6031/3763/files/44571713731.pdf
- https://cdn.shopify.com/s/files/1/0435/4870/4920/files/golawaruvoveb.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/
- https://cdn.shopify.com/s/files/1/0438/2208
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000079d4.bin07fdd9f143a7ecf4fe870676687df7f9c72f520345cb64c94f1e48f9dbf4e71b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D4 | 5484 bytes |
font_01_sfnt_off00008c71.bin46055958a29e23a9f7c6feca982d8b91d10eb1a2a939860680502e2c6bf1964e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C71 | 10332 bytes |
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