MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body also contains this URL, presented as a lure for downloading a 'Chrome browser apk'. This suggests a phishing or social engineering attack aiming to trick users into visiting malicious sites. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to manipulate search engine results, potentially to host or distribute further malicious content.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=chrome+browser+apk+apkpure In PDF document text
- http://jisatul.diaryofaspectator.com/uploads/1/3/2/7/132740541/kenonusogoru.pdfIn PDF document text
- http://jasotewe.cherylreed.net/uploads/1/3/1/0/131070109/dofiwaw_mokanelebegul_xutovoparam_kelinakujoge.pdfIn PDF document text
- http://files.cottontailcottage.org/uploads/1/3/1/4/131408970/xutaxegowaki.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/1/0448/4261/4945/files/altered_traits_summary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1887/7085/files/hot_college_football_sideline_reporters.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1822/1730/files/farubuvaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5727/4270/files/bojudu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7104/4770/files/48552594435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kujefitil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3264/9636/files/45083924395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3116/7137/files/guziburuvepog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7949/9940/files/fepafenupeveti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7463/4403/files/bayan_tariq_jameel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9812/0094/files/faponax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/carb_cycling_meal_plan_male.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/3923/6767/files/arya_malayalam_movie_ringtones_free.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004b02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B02 | 5228 bytes |
SHA-256: 252f4546c995ebad7234924aaed9161fbcf4c22cbc847b1a627e97da0aca6035 |
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font_01_sfnt_off00005cb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CB5 | 12748 bytes |
SHA-256: 16ec9fee72be0cdcd2b2c9782832e655724ec9644137d76ae68bc88d6c640cf6 |
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font_02_sfnt_off000084b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84B8 | 16428 bytes |
SHA-256: c07d4d907addb1d04afd140710fa8e6eaf971d194cab70880e2a017b9afd7240 |
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