MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. This redirector is designed to lure users with the keyword 'apus launcher apk', suggesting a social engineering pretext. The PDF also exhibits characteristics of a link farm, distributing numerous external links, many of which are hosted on Shopify. The primary malicious link leads to 'ttraff.ru', a known malicious domain, likely serving as a gateway to further malicious content.
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=apus+launcher+apk In PDF document text
- http://files.thehuskyhowler.com/uploads/1/3/0/7/130775252/0bcfead14b4.pdfIn PDF document text
- http://dogawonut.vuongholdings.com/uploads/1/3/0/7/130738848/cd07a66a6541e6a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9803/8679/files/bigulefutovoguteribabile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0270/7616/files/trabajo_adiabatico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2072/2080/files/irctc_tatkal_reservation_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/36435086727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8806/0321/files/pinam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6665/3858/files/john_deere_3010_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7686/8510/files/english_amplification_writing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0069/1862/files/difference_between_adverse_selection_and_moral_hazard.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2324/3176/files/faduxome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6055/1070/files/88958183343.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_007_off0000b725.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xB725 | 17380 bytes |
SHA-256: 45d2f0397cb3ecd86305168f98b4ff7e2b81df4465c8de1d61d70494754d662c |
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font_00_sfnt_off00005d94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D94 | 5628 bytes |
SHA-256: ecea2c7a2aba2e8dc08959a5de57812338e67fc6b8830b4219b26e0ea7750c09 |
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font_01_sfnt_off00007140.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7140 | 5076 bytes |
SHA-256: 89a96b9b155063e17e7c6ec108755da41737080bc81691a0f713d141b385fd55 |
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font_02_sfnt_off00008264.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8264 | 6640 bytes |
SHA-256: 593a452f0795506ac97007ad32b21767cc543cb1bc716fd74108abb5279d52e6 |
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font_03_sfnt_off00009402.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9402 | 10344 bytes |
SHA-256: 8ce77780f764a2d16e55e058179f35aabd7e8bbe0c05025483ad0eedb27ab5b8 |
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font_05_sfnt_off0000d115.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD115 | 2832 bytes |
SHA-256: d7a1248cabf161ff78a072bd924b98f1b4e551660f4e151c9433689786990c0c |
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