MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm pointing to numerous external PDFs, with one primary link identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=alfabeto+hebreo+completo+pdf', which is flagged as a malicious redirector. This suggests the document's purpose is to redirect users to malicious infrastructure, likely for further exploitation or credential harvesting.
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=alfabeto+hebreo+completo+pdf In PDF document text
- http://lamelotag.xandermorgan.net/uploads/1/3/0/8/130814328/8165846.pdfIn PDF document text
- http://files.baileykidsmusicals.com/uploads/1/3/0/7/130775275/fd76a9256b224.pdfIn PDF document text
- http://files.thebeautybarracuda.com/uploads/1/3/0/7/130739163/runobabadi_lujazuxexilere_labolakarenev.pdfIn PDF document text
- http://files.vantaggiohair.com/uploads/1/3/1/4/131409200/4794777.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/1/0436/2049/9620/files/fivarobupibupagedazitiku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0178/1156/files/refalez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7092/2655/files/79515504272.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8001/5262/files/wosimanitela.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4647/7722/files/dynamic_stretching_for_runners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9391/5800/files/zevejilukimimuwufuliv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7508/4193/files/lexigesezulolomituzene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0110/9920/files/1242911004.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/50961669262.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1335/7214/files/xizifefekawuvulod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6592/3997/files/97600061669.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4514/3207/files/pilonepoxefenobusuvepap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9795/6258/files/mivadofilofajarif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6403/3429/files/lusakixejerubutelasi.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7391 | 4980 bytes |
SHA-256: 300fdb57ebc455aa38c849db9f8cc43ff85476cc9308d94ed8f29770220ec4b9 |
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font_01_sfnt_off0000847a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x847A | 22232 bytes |
SHA-256: 281d728b04ebe7f64686fe4d205d87799189039edb53ff3b62c77293c6cafa92 |
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font_02_sfnt_off0000c4e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4E1 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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