MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link redirects through ttraff.ru, indicating a malicious redirector. The document body also contains text related to 'generate checksum paytm android' and a phone number lure, suggesting a phishing or scam attempt. The presence of a malicious redirector URL and the link farm heuristic strongly suggest the intent is to lead the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=generate+checksum+paytm+android In PDF document text
- http://files.antoniodavidsinopoli.com/uploads/1/3/0/8/130873907/4090271.pdfIn PDF document text
- http://files.fairdare.org/uploads/1/3/0/8/130815017/431651.pdfIn PDF document text
- http://files.nicholemannion.com/uploads/1/3/1/1/131164250/6265928.pdfIn PDF document text
- http://dakem.newberrycoffeeroasters.com/uploads/1/3/1/0/131070420/701448.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0439/8697/6926/files/res_ieframe_dll_acr_error_htm.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8592/2466/files/vivinunogarul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6367/0944/files/zazonaved.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5875/5749/files/building_design_and_drawing_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0631/0046/files/58178798868.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98690712505.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0645/0074/files/84279036351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1400/2587/files/bytecode_editor_v1._40.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6911/1449/files/varisawogabigedas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0833/4751/files/57440735064.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2240/9125/files/repixasisusinerowa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2066/5510/files/job_application_cv_format.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B26 | 5360 bytes |
SHA-256: 6d45bfb5aea245f1adb47208c78a48615132b9baaceea8a2d61d0b8f12e959f4 |
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font_01_sfnt_off00007d3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D3A | 14972 bytes |
SHA-256: a310ff7204f960e1fbcf52c20a53f4cda4e9c0ee406061f5e0ac1b7a6a02ef6f |
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font_02_sfnt_off0000ac2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC2E | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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