MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links, many of which point to a redirector service that is associated with malicious activity. The document body and heuristics indicate a lure for a fake 'best arabic keyboard for android apk' download. The primary malicious URL, https://ttraff.ru/pify?keyword=best+arabic+keyboard+for+android+apk, is used in conjunction with a large number of links to other PDFs, suggesting a link farm or SEO poisoning tactic to drive traffic to malicious sites.
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=best+arabic+keyboard+for+android+apk In PDF document text
- http://tezubut.feng-ge.net/uploads/1/3/0/9/130969723/muwotupoge.pdfIn PDF document text
- http://files.elegantedetailssalon.net/uploads/1/3/2/3/132302970/rurilativelowo.pdfIn PDF document text
- http://xojuxi.giaddiecreations.com/uploads/1/3/0/7/130738970/2d2c75.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
- https://cdn.shopify.com/s/files/1/0428/6955/5359/files/modekamewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8750/4294/files/basic_branches_of_philosophy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7994/9718/files/93674732313.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/4128/1432/files/eye_normal_map_fix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5837/1496/files/dikikubikogo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1020/3545/files/63612770836.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3826/0899/files/58822191888.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1324/2005/files/99635681638.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5261/1222/files/66774765675.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/88831661306.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F73 | 5472 bytes |
SHA-256: 6e5420dac303cb9fcf468d64854e686750aa108b50be7106697e87ada25f6491 |
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font_01_sfnt_off0000721d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x721D | 8680 bytes |
SHA-256: 4b2c53a9ebca111f0a79c18847404ec6f91ab95fb2e56e143fb4380dc69c5511 |
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font_02_sfnt_off00008a5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A5E | 10420 bytes |
SHA-256: e6bff2a36657f1bcbee13ba411fecc98ed077faef3f2796c6647a9bd75d95554 |
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font_03_sfnt_off0000ae35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE35 | 18328 bytes |
SHA-256: f11ca289dbac39d12f0f71498eb16d078e8df6f690eda9b338b560a7d1f94bf0 |
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