MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a phone number '1800- 266- 2278' and is associated with heuristics indicating a callback lure and payment redirection. It also contains a link to a known malicious redirector, 'https://ttraff.ru/pify?keyword=1800-+266-+2278', and a large number of embedded links to PDFs hosted on Shopify, suggesting a link farm. The document body is heavily obfuscated but contains the phone number and URLs. The combination of these factors strongly suggests a social engineering attack aimed at defrauding the user.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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) 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=1800-+266-+2278 In PDF document text
- http://files.collegedreamsconsulting.com/uploads/1/3/0/7/130776791/1494641.pdfIn PDF document text
- http://files.cowgirlfaithbordercollies.com/uploads/1/3/0/7/130775310/xukeguzujada.pdfIn PDF document text
- http://files.art35n.org/uploads/1/3/1/3/131398605/witakinejabuw.pdfIn PDF document text
- http://files.prestonsburgchurch.org/uploads/1/3/1/3/131397940/6c72b807ff1c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6369/6799/files/talotelip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dokole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4484/7266/files/30c_to_fahrenheit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8558/6849/files/19928340354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7955/7535/files/64576009060.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0757/4179/files/13003661456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9847/0552/files/nenirulamalizerulowanugef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3935/0181/files/pulad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7341/4055/files/pumufaril.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8712/5927/files/96311043427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1188/9562/files/68817401216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3087/9136/files/84139179998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6618/6135/files/mereme.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E00 | 4856 bytes |
SHA-256: 01b9070994c50f2f23fbda18c8b096c8a4adb6ea81a6120a6a8a81440c93cdb2 |
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font_01_sfnt_off00006eae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EAE | 10060 bytes |
SHA-256: 41d824c8a835b69bbd8eff71b4da2938f3535ab83f6bd95d5f3358f494df45a8 |
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