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, includes the same URL and appears to be a lure related to 'imagine dragons believer easy piano sheet music'. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or distribution mechanism. The ML classifier also 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=imagine+dragons+believer+easy+piano+sheet+music In PDF document text
- http://files.classwithheise.com/uploads/1/3/0/7/130740211/f2d75b.pdfIn PDF document text
- http://files.rbcdublin.org/uploads/1/3/1/6/131636907/vesasufewero_tatuk_webixiwa_nedaxijo.pdfIn PDF document text
- http://files.iobcwa.org/uploads/1/3/2/7/132712116/zudonifo-zupupuwewizex-vudokomuli.pdfIn PDF document text
- http://files.sixpackedin.com/uploads/1/3/2/6/132695546/tazokudaj.pdfIn PDF document text
- http://files.sidleymountaincowboychurch.com/uploads/1/3/1/4/131413718/4169511.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/1/0435/4015/2479/files/ielts_speaking_part_3_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7152/7325/files/pathfinder_player_companion_animal_archive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6636/7895/files/bleach_season_4_episode_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0230/6468/files/sunit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9704/7718/files/calculus_10th_edition_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7853/3791/files/auditory_phonetics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9581/8397/files/runadudofimuliwosefex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2761/1300/files/50321979697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5369/3593/files/autosar_sws_can_network_management._4._3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7108/6492/files/photoshop_cs2_adobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7286/3904/files/83322008408.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/6503/7220/files/november_bulletin_board_ideas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9140/2660/files/308_negra_arroyo_lane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/6419/2150/files/adobe_reader_9_old_version_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3305/0779/files/carmina_burana_piano_score.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:
classwithheise.com
4 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5203 | 5724 bytes |
SHA-256: 21804e867734ed094bb20a67ac71ffd31c481c01524e97e479e89bd66712c35e |
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font_01_sfnt_off0000654c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x654C | 9180 bytes |
SHA-256: 6dccd298e7b8bf1f9c098440fe59ea0b6e304cf438a8c6c479b8be146bfe62f9 |
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