MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=examiners+report+2018+gcse', which is a known malicious redirector. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm intended to manipulate search engine results or distribute malicious content. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=examiners+report+2018+gcse In PDF document text
- http://files.cheapautoglassinlasvegasnv.com/uploads/1/3/1/4/131437848/7284632.pdfIn PDF document text
- http://japenop.joystondsouza.com/uploads/1/3/1/1/131164250/9887345.pdfIn PDF document text
- http://bimotuw.richardhall.net/uploads/1/3/1/1/131164471/4018ebb91ce35b.pdfIn PDF document text
- http://wokoxosi.iomttcronkbanecottages.com/uploads/1/3/1/0/131070450/aa6b3561c8bc9.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/1/0429/0609/1687/files/cours_atomistique_s2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3831/9527/files/rifisubigirorukekujikad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5114/7676/files/fosapejalojanam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0094/7103/files/kugikunekovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2116/3941/files/video_er_professional_opera_extension.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7301/0840/files/kiwidapemurapiwolonivug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7207/8499/files/zovafuxuvozubeniju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4985/1811/files/simonejekogagujobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2826/6654/files/xelojimoloxisavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6924/2534/files/96567752407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4044/8407/files/15060512215.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3220/4696/files/90316018790.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5072/9621/files/gupalenoxafujebomigafexe.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
🗂 Part of campaign:
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3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C71 | 5556 bytes |
SHA-256: f80f06f778bb0279581206ba1ae10b0028cd5c9a0f038f608a5c3f837440157b |
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font_01_sfnt_off00006f38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F38 | 9908 bytes |
SHA-256: 121a5504d8359b3c4e7fde8dff21a509607a39167557beb89faf69ac4815bb35 |
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font_02_sfnt_off0000911a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x911A | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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