MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be social engineering via a deceptive document, leading the user to click the malicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.com/pify?keyword=hess%2527+s+law+problem+worksheet In PDF document text
- http://danipe.barbarafreedgood.com/uploads/1/3/1/3/131381787/pisaduj.pdfIn PDF document text
- http://files.ahbas.org/uploads/1/3/0/8/130814874/21eeee386af5b.pdfIn PDF document text
- http://files.chirocure.net/uploads/1/3/1/4/131405948/rolasuralunip.pdfIn PDF document text
- http://files.physicianassistantgirl.com/uploads/1/3/1/3/131384636/noxidugexavibexatuza.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/1/0435/1364/3167/files/97211937671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xuvoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0465/2426/8702/files/nimetebafinaluxoxagari.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1165/3277/files/writing_argumentative_essays_nancy_wood.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9398/9278/files/68369062891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9245/8152/files/xagupini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5180/9957/files/64765831389.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66491839223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5596/2522/files/42253303129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/3621/6229/files/99867156898.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0161/8327/files/research_methodology_assignment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8312/1319/files/5140473813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9083/6645/files/72298443864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7201/1932/files/latigonevafokobimi.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_off00004e0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E0F | 4984 bytes |
SHA-256: 756ab6037480aa29827fff948c9e4fa73fe9ec3eb61471467410de46954bafa0 |
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font_01_sfnt_off00005f0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F0D | 13192 bytes |
SHA-256: 31abe02d318ca7119e934fd27ba45e146437a1bc94804478b511a7b9cb0ad4ce |
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font_02_sfnt_off000088ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88AE | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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