MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=ahsan+ul+hidaya+pdf+download'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The document also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic to attract victims. No scripts were extracted, and the document body is heavily obfuscated, but the presence of the malicious redirector is a strong indicator 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.cc/pify?keyword=ahsan+ul+hidaya+pdf+download In PDF document text
- http://files.mealmastermpc.com/uploads/1/3/1/3/131379406/lagopojivujapakit.pdfIn PDF document text
- http://files.heritagefireequipment.com/uploads/1/3/1/8/131856860/aee0e.pdfIn PDF document text
- http://files.myacousticlife.com/uploads/1/3/2/6/132682051/zoriviwikifidedix.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/1/0432/8321/8588/files/user_s_guide_to_capitalism_and_schizophrenia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7538/7043/files/ziwejogonazanadaxovetawup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6720/9893/files/cardiopatia_isquemica_aguda_y_cronica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/rovutek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5560/4121/files/xemofefikanulig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0532/9064/files/fijufu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/lokobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1905/7822/files/binofepisox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8448/8610/files/aws_security_blog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dagezaluvonanapukinuwit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0892/5602/files/67714321139.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0522/2813/files/43120435012.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5430/1338/files/tarusefetefutafenod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0000a81d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA81D | 25488 bytes |
SHA-256: 877d3f097884faa175c5fff0f894e8c2d609056539ca5bbdb19665507e66a222 |
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font_00_sfnt_off00006c7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C7F | 4900 bytes |
SHA-256: 64e01ba7174a20542017a6ca5373930f835abbbc45156be16f12576d568dae9c |
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font_01_sfnt_off00007d26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D26 | 13452 bytes |
SHA-256: 697fd8dc3c8c9215c736d7bec3c5b52dbe62ff1860efff9ecbb4ed80f7d350a1 |
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font_03_sfnt_off0000d476.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD476 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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