MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating it's a malicious redirector and part of an SEO link farm, designed to lure victims. The document body, though garbled, suggests a lure related to 'calculator hide apps' and financial instructions, aligning with a payment redirection scam. The embedded URLs point to redirector infrastructure, likely serving as a gateway to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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=calculator+hide+apps In PDF document text
- http://files.desertrambler.com/uploads/1/3/2/6/132682030/dubozeri_sevepizabumu.pdfIn PDF document text
- http://files.catleeart.com/uploads/1/3/1/4/131453221/8513342.pdfIn PDF document text
- http://files.aliceannephotography.com/uploads/1/3/0/7/130739699/dilak_wisokafu.pdfIn PDF document text
- http://files.ruralcostabrava.com/uploads/1/3/1/3/131383823/5646701.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/1/0430/5689/0013/files/10328812934.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5506/2948/files/biwow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0763/9711/files/21809401569.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5081520916.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2009/9488/files/67643927485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6805/4949/files/17410079139.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3095/3627/files/ronun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6517/1354/files/98903073684.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4783/7083/files/51822759454.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1103/0683/files/sofevekipuxoda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3193/6674/files/jebikalufireritef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1179/2286/files/nitasoxek.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://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_off00008377.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8377 | 4960 bytes |
SHA-256: b103532c52da853e87418e7e308e218043ceb9da8a78f4104eaf6aa24d06ac3c |
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font_01_sfnt_off0000945c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x945C | 2012 bytes |
SHA-256: 98de79b297e3797e740cfbde3538a37bcda84e2cac2672723d669a8421f405b8 |
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font_02_sfnt_off00009d93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D93 | 10360 bytes |
SHA-256: 55db8daab50dca45a1f5f2f4faf52f7a0d28e9457518eb6d6b1f697634297768 |
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font_03_sfnt_off0000c140.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC140 | 16664 bytes |
SHA-256: 940587323d1947cc4b80e71b5b4e07368006354cf7486a89facd564ccfbbb5f6 |
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