MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains a malicious redirector link disguised as a "Bitdefender total security apk cracked" download, which is a common lure for software piracy or malware. It also hosts a large number of SEO-optimized PDF links, many of which point to benign content but serve to increase the document's visibility. The primary malicious URL is https://ttraff.ru/pify?keyword=bitdefender+total+security+apk+cracked, which is flagged as a malicious redirector.
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=bitdefender+total+security+apk+cracked In PDF document text
- http://files.advantageauburn.com/uploads/1/3/1/8/131872017/nexisipusotagik.pdfIn PDF document text
- http://files.asahionline.com/uploads/1/3/0/7/130738765/8874641.pdfIn PDF document text
- http://files.kylecarrollart.com/uploads/1/3/2/7/132741110/8740098.pdfIn PDF document text
- http://rikekipep.trinityclaremont.org/uploads/1/3/1/3/131384403/kukuxuninazapo-jujufo-vabubeserol.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/1/0438/7710/5832/files/wow_tbc_shaman_leveling_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7149/5574/files/ceh_v10_certified_ethical_hacker_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3332/9817/files/fundamentals_of_vibrations_meirovitch.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5517/6097/files/bogotazo_libro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8253/0472/files/learn_english_in_marathi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0300/9430/files/darafevuliv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9894/8255/files/felojunog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4102/9276/files/45109382814.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8309/4434/files/nefazesaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2341/6995/files/jelurebijofixibizakiru.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000635d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x635D | 5364 bytes |
SHA-256: d875fe1d7fb00e9a0172fd0e4ccb3f45fe555ebe08d26a778008595cba858dab |
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font_01_sfnt_off000075b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75B2 | 10032 bytes |
SHA-256: ce9dc3bd742ee526e640f0bcfa6c67f5730ca9401448db19f1fb9c3c253f39e0 |
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font_02_sfnt_off00009842.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9842 | 16144 bytes |
SHA-256: 2a5f1667c2e343500efde63e3dd6a136498333968b1680966ac5eb34589f1174 |
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