MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.com/pify?keyword=algebra+2+book+pdf+pearson'. Another critical heuristic identified a large number of external PDF links, suggesting a link farm for SEO manipulation or traffic redirection. The presence of a 'SE_LOLBIN_RUN_COMMAND' heuristic indicates that the document likely contains instructions or visible command text involving Windows execution tools, such as PowerShell, to facilitate the redirection or further payload delivery.
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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=algebra+2+book+pdf+pearson In PDF document text
- http://files.ifunsocial.com/uploads/1/3/1/0/131070702/568100.pdfIn PDF document text
- http://files.ruthscheuing.com/uploads/1/3/1/4/131406060/kezozalalogeg-dorobomabadedoj.pdfIn PDF document text
- http://files.statsworldcollectibles.com/uploads/1/3/0/7/130775607/fasunotata_xoraxed_darone_tunuwu.pdfIn PDF document text
- http://files.priorityenvironmental.ca/uploads/1/3/2/7/132740415/poturowinu-pepurefeme-zomoxiru.pdfIn PDF document text
- http://files.marti2heal.com/uploads/1/3/0/7/130739892/5b53a0fb.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/1/0434/3218/1909/files/wget_google_drive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8478/3509/files/19972765016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5629/0206/files/burket_oral_medicine_8th_edition.pdfIn macro / runtime command snippet
- https://cdn.shopify.com/s/files/1/0434/0862/1719/files/36490095923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7333/8533/files/21266804413.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5056/4773/files/cell_biology_multiple_choice_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1425/7820/files/vofexijek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9131/9200/files/ccna_course_books_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/wigidodegodegab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0318/2231/files/vawukoxoradojesekeferazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5920/7579/files/19346658849.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
- https://cdn.shopify.com/s/files/1/0431In macro / runtime command snippet
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006800.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6800 | 5532 bytes |
SHA-256: 93293b05c21b441f3df73318d6972c8991c19a3edf845b0c003b29d365a44da9 |
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font_01_sfnt_off00007ae5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AE5 | 13168 bytes |
SHA-256: 7ee316f76c4dc2ee678066044b5dad3a9cdaad004bc4d491b6cc5bbf64d79279 |
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