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 `https://ttraff.com/pify?keyword=belajar+bahasa+arab+sehari+hari+pdf`. The document body, though partially corrupted, contains text related to 'Belajar bahasa arab sehari hari pdf' and the malicious URL, suggesting a lure. The PDF also exhibits a link farm behavior, with numerous external links, many hosted on `cdn.shopify.com`, though some are marked as benign. The primary malicious IOC is the redirector URL.
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=belajar+bahasa+arab+sehari+hari+pdf In PDF document text
- http://files.devereuxazevents.org/uploads/1/3/1/1/131163643/1af510cdac3b33e.pdfIn PDF document text
- http://files.heels2wheels.tv/uploads/1/3/0/7/130776499/07810b2.pdfIn PDF document text
- http://files.soulfitt.com/uploads/1/3/1/4/131453623/41a122503b.pdfIn PDF document text
- http://files.freeclinicsv.com/uploads/1/3/2/6/132682790/dekejuribawazik-dozidama.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/1/0430/0819/6767/files/estado_acido_base.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3626/8949/files/el_budismo_tibetano_esencial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3206/7739/files/80418012130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0179/1132/files/66746527472.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5183/5801/files/gikegilenamedomoled.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6187/9719/files/fojorijewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0744/1053/files/brunner_and_suddarth_s_textbook_of_medical_surgical_nursing_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4365/1741/files/nesemen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3993/1033/files/77498337204.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
🗂 Part of campaign:
devereuxazevents.org
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0000d05c.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xD05C | 32668 bytes |
SHA-256: 2fc75b733424652e010391c0f64fbdfa2a7addba1ab8a1f90ca7fcfb8ba7ca0a |
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font_00_sfnt_off00009134.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9134 | 5396 bytes |
SHA-256: 537cfa8c8a56c5f139516e93f67112e1aa43f267daa6f0d26680428ed87a3b6d |
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font_01_sfnt_off0000a382.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA382 | 14300 bytes |
SHA-256: c3d03c0ef9975bb5d409278f07e9e558ebfe455b937fb73c8aaa40b2f0155c28 |
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