MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing indicating a malicious redirector link. The ML classifier also strongly flagged this PDF as malicious. The embedded URL 'https://ttraff.ru/pify?keyword=chatal+band+dj++2018+naa' is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a link farm or redirection scheme. No scripts were extracted, but the presence of the malicious URL is sufficient evidence of malicious intent.
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.ru/pify?keyword=chatal+band+dj++2018+naa In PDF document text
- http://files.simplygoatsmilk.com/uploads/1/3/2/6/132695575/zufuzaw.pdfIn PDF document text
- http://kinafo.avarmsbooks.com/uploads/1/3/0/8/130813528/gugutexanovuxawewum.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/1/0433/0687/7080/files/40814320730.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vitalifurefafimeribedewo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1854/2504/files/pf_withdrawal_form_10c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9014/0581/files/sixagoropenenewagaxelo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6997/2392/files/badorepuwubatusibeko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1491/3191/files/wondershare_editor_ocr_serial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1227/5870/files/using_social_media_in_the_workplace_to_communicate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6232/1567/files/medicare_item_numbers_cheat_sheet_2017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1880/5657/files/islamic_art_geometric_design.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5549/4806/files/atomic_structure_notes_class_11.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2022/1607/files/88353618523.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5627/5362/files/93208443910.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_off0000585d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x585D | 4908 bytes |
SHA-256: 7ec69047d9301584db6b143ed29a28ae47e0931c0fe8e52bfd8b7ee00fbc0b45 |
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font_01_sfnt_off00006906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6906 | 14604 bytes |
SHA-256: aed5e0b3a6e3742d00cfbc27571e12067d78b4c319a93d46ff1c1864c0631dbb |
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font_02_sfnt_off00009601.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9601 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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