MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a song download lure and the malicious URL. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a deceptive link.
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/wix?keyword=har+pal+meri+yaad+tumhe+tadpayegi+song+download In 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/1/0429/1395/6007/files/vascular_malformation_treatment_in_infants.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8512/2984/files/gta_5_ps3_cheat_codes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6521/2066/files/13082988294.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7586/9599/files/60885427622.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/0479/9639/files/94423209336.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3605/5454/files/personal_training_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2962/4992/files/bluestacks_para_android_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8505/2566/files/74525587989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8117/9048/files/61434741066.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_a275e4d28f764478b9dd137a609f409c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_9947050d62384407bd39a6aeef7e5bc2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8425/9231/files/act_practice_test_with_answers_and_explanations_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3014/3395/files/angular_6_responsive_template_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0470/6464/files/non_resident_capital_gains_tax_form_uk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6770/3450/files/26521689024.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4788 | 5528 bytes |
SHA-256: 2914fd4fa3a9378712b08b7f7a170113ebdfc36bc66a217e0ecd8f1b7428d0d7 |
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font_01_sfnt_off00005a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A3C | 1952 bytes |
SHA-256: accaceeb33bfc6e1bd405ccf38ad3f293e5702f423aa179c28c4c144154b86ea |
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font_02_sfnt_off000063a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63A1 | 9796 bytes |
SHA-256: 20385c2a0c389dbca3f91443463fcfab3cae3da9d9f9fab83b22f3f6d5b15a19 |
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font_03_sfnt_off00008562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8562 | 16380 bytes |
SHA-256: 9c71aaea62549e89be2b80026e8552e529abc9849e27d4ac1176ef2fe88b9bd5 |
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