MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a known malicious redirector infrastructure, specifically `https://ttraff.com/pify?keyword=ssn+aptitude+test+syllabus+question+papers`. This URL is presented within the document body, disguised as information about "Ssn aptitude test syllabus question papers". The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.
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=ssn+aptitude+test+syllabus+question+papers In PDF document text
- http://juvidek.marytilakmd.com/uploads/1/3/2/3/132302870/kopuwipeb.pdfIn PDF document text
- http://files.1nk-immunotherapyconf.com/uploads/1/3/0/7/130740517/4c6761.pdfIn PDF document text
- http://wived.pocushub.com/uploads/1/3/0/8/130813834/6ec34e03807d.pdfIn PDF document text
- http://rizopi.ramseymunicipalpool.com/uploads/1/3/1/4/131453574/podevezasosuvo_buwizopojexoka_zamaxo_takulijetu.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/1/0430/1121/1425/files/magisterium_book_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1814/1341/files/ketaga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5652/8537/files/android_set_top_box_walmart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6917/6985/files/70008433166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8366/1461/files/italy_visa_information_book_appointment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1179/2286/files/12829048999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4313/5393/files/campbell_sinh_hc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2825/0781/files/analogue_and_digital_signal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0069/1862/files/nugamakujisalimexojorola.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/olaudah_equiano_slave_narrative.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9434/3834/files/multistage_amplifier_design.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6203/4589/files/serabikisemijepurixovoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7886/8387/files/ipl_2020_schedule_time_table_file_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8614/1847/files/pirates_of_the_caribbean_theme_sheet_music.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_off0000684e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x684E | 5424 bytes |
SHA-256: bdd2a58710f13e9b5e9a5a012ef7a8c8913e945b93acdddf06c324fb120f47d1 |
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font_01_sfnt_off00007abd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ABD | 10432 bytes |
SHA-256: 9286d8c9fdb51bf6763f11449830f70caef4cef79fff5693ed949e5b089601ca |
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font_02_sfnt_off00009e4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E4B | 16164 bytes |
SHA-256: 6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3 |
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