MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains embedded links that point to a known malicious redirector, ttraff.cc. The document body text, though heavily obfuscated, includes the phrase 'electrical engineering mcq pdf free' and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify, likely for SEO manipulation to increase visibility.
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=electrical+engineering+mcq+pdf+free In PDF document text
- http://gurem.asiamitchelltabb.com/uploads/1/3/1/4/131454024/xoxowomukesenu_tozutafig.pdfIn PDF document text
- http://files.handfedapp.com/uploads/1/3/1/6/131637606/bf6cc4.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/1/0430/5059/8562/files/55065162367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2929/0390/files/corrugated_plastic_roof_sheets_at_wickes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3014/9270/files/hotel_california_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2433/3472/files/hoyle_card_games_for_windows_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6113/2968/files/75244100293.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7685/9544/files/instant_structures_mod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8495/5300/files/nakodadululapevupove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7260/9686/files/pilawe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5901/2006/files/basic_synonyms_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8223/6583/files/kenifipavasububuloxeka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49816413057.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2497/1936/files/4040920904.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5754/5365/files/waralogasisulekugaviboz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6034/7551/files/4804932860.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6762/8950/files/bpm_software_free_full_version.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_off00007795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7795 | 5380 bytes |
SHA-256: f047bc90fe0dada71e6aefcee91dc72017deadbee8c55082acc1c98819be0b58 |
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font_01_sfnt_off000089b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89B3 | 2116 bytes |
SHA-256: 3d710a4b121cc3492c3eb33a949758d423697a96dc6070b99fa40abea3aa876d |
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font_02_sfnt_off0000937f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x937F | 16460 bytes |
SHA-256: effe7a592aa6c7e6382edfd4a69f857c60c16a87803a5cc31153f2155283e19a |
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