MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=1st+2nd+3rd+law+of+thermodynamics+pdf', is designed to redirect users to potentially harmful content. The presence of a large number of external PDF links, many pointing to Shopify domains, suggests a link farm or SEO poisoning tactic to obscure the malicious redirector. 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.cc/pify?keyword=1st+2nd+3rd+law+of+thermodynamics+pdf In PDF document text
- http://tizibi.learningforlittlepeoplepreschool.com/uploads/1/3/0/8/130874254/2aeff.pdfIn PDF document text
- http://files.caricaturesbymichaelangelo.com/uploads/1/3/2/6/132681150/8166191.pdfIn PDF document text
- http://files.ebbandflowadventures.org/uploads/1/3/1/4/131453615/gewajaremekafo_zitavu.pdfIn PDF document text
- http://files.campaign500.com/uploads/1/3/1/8/131856041/7293775.pdfIn PDF document text
- http://motajav.crypt0snews.com/uploads/1/3/0/7/130775085/3036fe9f125.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/2355/7030/files/42712878663.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7935/1976/files/asterix_and_obelix_complete_collection.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4216/9244/files/fujojejojepipi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/73336711088.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/public_ntp_servers_ip_address.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1024/5286/files/wituronosukubebofolabomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7272/4892/files/present_simple_present_continuous_and_past_tense_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9418/0001/files/dslextreme._com_webmail.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1059/6765/files/66913707508.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5674/3079/files/nugogiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6803/0102/files/download_plies_shawty.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2191/0687/files/cash_drawer_balance_sheet.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_off00006521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6521 | 5632 bytes |
SHA-256: 3c4407232eeba82774e011cfe5aacac24141136fa809df57bab6792aac148e01 |
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font_01_sfnt_off00007826.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7826 | 9688 bytes |
SHA-256: 896d05154c3b24910078654cf49386accd1d5ddef987a85a946ab50f820b999c |
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font_02_sfnt_off00009937.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9937 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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