MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link to 'ttraff.cc', identified as a malicious redirector, disguised with text related to 'ACCA exam structure'. The document also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on Shopify. The presence of a callback lure suggests a potential phishing or tech-support scam pretext. No scripts were extracted, but the primary attack vector appears to be directing users to malicious infrastructure via embedded links.
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.cc/pify?keyword=acca+exam+structure+pdf In PDF document text
- http://files.halseyband.com/uploads/1/3/2/8/132815123/negirumigafurezupabi.pdfIn PDF document text
- http://vokuman.birgitbaader.com/uploads/1/3/1/3/131380729/sutelabuju.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/1/0435/3415/5928/files/hosts_file_windows_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2284/4067/files/steam_slow_downloads.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4620/5602/files/40053574663.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8720/7331/files/tavoloderumog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6955/4329/files/jakavevekit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3111/6448/files/virofuxexuvuxuvu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8569/9997/files/autocad_14_tutorial_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2819/3184/files/pevomuvubimidifududemalun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7079/7462/files/latefobelape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8687/9647/files/minecraft_cracked_1._5_2_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/6907723895.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1279/2221/files/standard_definition_tv.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_off00006f07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F07 | 5324 bytes |
SHA-256: d16db0de1885e64b0ecd9ddf6bfc6cf51551775a0fb0973908c014b13410029f |
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font_01_sfnt_off0000810d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x810D | 10308 bytes |
SHA-256: 1125df2c36c3314b6a606d34c53bdcec77362cd746ff4054ee393e6e5b373afd |
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