MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating malicious intent, including a critical finding of a PDF redirector link to ttraff.cc and a PDF link farm. The document body and heuristics suggest a lure related to payment redirection or a pension form, aiming to trick users into clicking malicious links. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to a phishing or malware distribution site.
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) 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.cc/pify?keyword=o.+c.+s+pension+form+e In 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://static.usrfiles.com/ugd/a4e402_3cb6e3db3ec74f59931b785b8b5da047.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_517bb12ce35b4db5bed64280fa04d8ff.pdfIn PDF document text
- https://static.usrfiles.com/ugd/8d0191_5f9ebb5b2834471682d032483aba6433.pdfIn PDF document text
- https://static.usrfiles.com/ugd/575fb0_11436eea48984112970857c81e351427.pdfIn PDF document text
- https://static.usrfiles.com/ugd/268ab1_2ccd2f1ba10043728aec6af1472ea035.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6657/2452/files/gigamovitiwivuli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3815/4657/files/sql_server_dba_interview_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4783/6058/files/48133609761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5573/4167/files/453965653.pdfIn PDF document text
- https://static.usrfiles.com/ugd/64db51_e7e5465d60254c1d88c18282a14530a0.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7ba596_c47eb4e86fa941598f6aae80919d7d06.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0c41e7_b428726a6b5340b9b5764011b2cbea6a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_84f7b12aec2a4cd1b38058a6166f8b24.pdfIn PDF document text
- https://static.usrfiles.com/ugd/16879a_5f6b466895814210b8b2a3f56f61554c.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_off000049d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x49D8 | 4688 bytes |
SHA-256: de5e740f6634f4cd5f0ea57a8636c6ac47800b684d8780391d31f955f5419c5a |
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font_01_sfnt_off0000599c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x599C | 10140 bytes |
SHA-256: 9c2c760f44f3025f24253f4d28951b1e526e79affd97593f8c2d49ae565a09e5 |
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font_02_sfnt_off00007c5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C5C | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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